Energy Exists in Different Forms

EQ: How can I describe the common forms of energy?

Energy

• All forms of energy cause changes to occur– Flow of electricity to a light bulb– Wind hitting a flag

EQ: How can I describe the common forms of energy?

Energy

• The ability to cause change

EQ: How can I describe the common forms of energy?

Forms of Energy

• Mechanical - Energy that moves an object

EQ: How can I describe the common forms of energy?

Sound Energy

• vibration of particles in a medium

Chemical Energy

• stored energy in the chemical composition of matter

Thermal Energy

• total amount of energy from movement of particles

Electromagnetic

• movement of electromagnetic waves

Nuclear Energy

• the center of an atom breaking apart or fusing together

Two Types of Energy

• Kinetic Energy

• Potential Energy

EQ: How can I describe the common forms of energy?

Kinetic Energy

• Energy of motion

• Depends on an objects mass and speed

• Increases as mass increases

• Increases as speed increasesEQ: How can I describe the common

forms of energy?

Potential Energy

• Stored energy that an object has due to its position or chemical composition– Position

• Rock falling off a cliff

• Spring in a toyEQ: How can I describe the common forms of energy?

Potential Energy

– Chemical – result of the atoms and

their bonds. When molecules are broken apart, atoms are rearranged through a series of chemical changes and energy is released

• Food• Rocket fuel

EQ: How can I describe the common forms of energy?

Class Work and Homework

Fill In

• What did I learn

• Confused

• Say

Read selection 1-1.

Answer questions 1-6

EQ: How can I describe the

common forms of energy?