Energy Flashcards
0
Q
What is energy measured in
A
Joules (J)
1
Q
What is energy
A
The ability to do work or e ability to move something
2
Q
What are the 2 main groups of forms of energy
A
Stored energy and energy in action
3
Q
Give 3 examples of stored energy
A
- nucleus has energy
- fuels (petrol, timber, coal, oil and gas)
- food
4
Q
Give an example of potential energy
A
A stretched elastic
5
Q
Name the 9 different types of energy
A
Kinetic, Heat, chemical, electrical, magnetic, solar, nuclear, light and sound
6
Q
What is the law of conversation of energy
A
Energy cannot be created or destroyed but it can be converted from one form to another
7
Q
What is it called when atoms split
A
Fission
8
Q
What is it called when atoms press together
A
Fusion
9
Q
What will they maybe use to replace oil in cars when it runs out
A
Hydrogen
