Time for a little review….

Let’s start with vocabulary!

What type of electricity occurs when positive and negative charges no longer balance?

HINT! HINT! HINT!You might get a ZAP!

STATIC ELECTRICITY

An electric charge in motion is called an …..?

HINT! HINT! HINT!Think of the water in a stream.

ELECTRIC CURRENT

In what kind of circuit can an electric charge flow only in ONE path?

In what kind of circuit can an electric charge flow in TWO or MORE paths?

SERIES CIRCUIT

PARALLEL CIRCUIT

A force that acts on moving electric charge and magnetic materials that are near a magnet is called….?

HINT! HINT! HINT!This is when you find a

magnetic field!

MAGNETISM

A coil of wire with many loops through which an electric current passes is called an ….?

HINT! HINT! HINT!Just combine our two key

words!

ELECTRO-MAGNET

What else do we know about

electricity and magnetism?

Let’s find out!

A ________ has a positive charge.

An _______ has a negative charge.

A ________ has no charge.

PROTON

ELECTRON

NEUTRON

Opposite charges …..?

Like charges …..?

HINT! HINT! HINT!Proton + ElectronProton + Proton

Electron + Electron

Opposites attract!

Like chargesrepel!

Magnets have two poles. What are they called?

HINT! HINT! HINT!Think directions.

Where is the attraction on a magnet the strongest?

NORTH AND SOUTH

THE POLES!

What are the ONLY three materials that are magnetic?

HINT! HINT! HINT!Think Bill Nye and metals.

IRONNICKELCOBALT

A material or object that allows electricity to flow through it is called….?

Examples of these are….

CONDUCTORSCopperWaterIron

A material or object which blocks the flow of electricity is called….?

Examples of these are….

INSULATORSWoodGlass

Rubber

REMEMBER!Just because a

material is a conductor DOES

NOT mean that it is magnetic!

AND NOW…

VocabularyI

Vocabulary II

Conductor or

Insulator?

CHARGE! Name That Circuit!

200 200 200 200 200

400 400 400 400 400

600 600 600 600 600

800 800 800 800 800

1000 1000 1000 1000 1000

Miss K. is putting up her Christmas lights. She notices that one of the lights in the strand is out. However, the

rest of the bulbs stay lit. What kind of a circuit are

these lights?