LIGHT SOUND

Definition:

LIGHT SOUND

Definition:

LIGHT SOUND

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.-

.-

.-

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.-

.-

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.-

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

_____________

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

_______Km/sg.(_____________)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.-

.-

.-

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.-

.-

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.-

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

_________ _______

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.-

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.-

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.-

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.-

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.-

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

____m/sg.

(_______________________)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(_______________________)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.-

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO:

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO: is the

reflection of sound

produced by an

obstacle.

.-

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO: is the

reflection of sound

produced by an

obstacle.

.- NOISE:

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO: is the

reflection of sound

produced by an

obstacle.

.- NOISE: unpleasant

and irritating sound.

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO: is the

reflection of sound

produced by an

obstacle.

.- NOISE: unpleasant

and irritating sound.

Produces:

_________

_____________

Definition:

Type of energy

that some

bodies can emit

and is visible

by the eye.

LIGHT SOUND

We can see…

.- SHAPE

.- COLOUR

.- SIZE

.- NATURAL

.- ARTIFICIAL

.- The rest of bodies …

Reflect light

Light sources:

Propagation of light:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- LIGHT SPEED (very fast)

300.000 Km/sg.(through vacuum)

Materials can be:

.- TRANSPARENT.

.- TRANSLUCENT

.- OPAQUE

Properties of light:

.- REFLECTION:

.- Plane mirrors:

.- Curved mirrors:

.- Concave (bigger)

.- Convex (smaller)

.- REFRACTION:

.- Convex lens

.- Concave lens

.- DISPERSION:

White light 7 colours

Definition:

Form of energy

produced by

objects when

they vibrate

Characteristics:

.- INTENSITY:

.- LOUD

.- LOW

.- TONE:

.- HIGH

.- BASS or LOW

.- QUALITY: makes

possible to distinguish the

source of sound

Propagation of sound:

.- IT MOVES STRAIGHT

.- IN ALL DIRECTIONS

.- SOUND SPEED:

340 m/sg.

(It can’t propagate in vacuum)

Other concepts:

.- ECHO: is the

reflection of sound

produced by an

obstacle.

.- NOISE: unpleasant

and irritating sound.

Produces:

NOISE

POLLUTION

Definition:

LIGHT SOUND

We can see…

.-

.-

.-

.-

.-

.- The rest of bodies …

_____________

Light sources:

Propagation of light:

.-

.-

.-

_______Km/sg.(_____________)

Materials can be:

.-

.-

.-

Properties of light:

.-

.- _____ mirrors:

.- ______mirrors:

.-

.-

.-

.- _________ lens

.- _________ lens

.-

_________ _______

Definition:

Characteristics:

.- ___________:

.-

.-

.- _____:

.-

.-

.- _________:

Propagation of sound:

.-

.-

.-

____ m/sg.

(_______________________)

Other concepts:

.- :

.- :

Produces:

________

______________