|
Other examples of
energy changes:
ENERGY IN
|
NERGY CHANGER
|
ENERGY OUT
|
|
Chemical (food)
|
Animal
|
Heat, kinetic,
chemical
|
|
Light
|
Solar cell
|
Electrical
|
|
Kinetic
|
Wind turbine
|
Electrical
|
|
Strain
potential energy
|
Bow and arrow
|
Kinetic
|
|
Chemical
|
Battery
|
Electrical
|
|
Electrical
|
Battery charger
|
Chemical
|
|
Sound
|
Microphone
|
Electrical
|
|
Electrical
|
Electric motor
|
Kinetic
|
|
Kinetic energy
|
Generator
|
Electrical
|
|
Gravitational
potential energy
|
Falling object
|
Kinetic
|
|
Elastic
potential energy
|
Clockwork car
|
kinetic
|
Answer this questions:
(click
here)
Energy flow
The principle of
conservation of energy:
Energy is never created or destroyed.
For example: All
energy that flows into a lamp also flows out.
Look at the graphic on energy
flow
Now do the following
questions: (click
here)
Revision: Do the test:
BBC
- GCSE Bitesize - Physics - Test Bite
|