2.2 - Conservation of energy Flashcards
1
Q
What is it not possible to do to energy?
A
Create or destroy it
2
Q
What is it possible to transfer energy from?
A
From one form to other, or from one place to another
3
Q
What does the conservation of energy mean?
A
The total amount of energy is always the same
4
Q
What does the conservation of energy apply to?
A
All energy transfers
5
Q
What is the energy transfer involved in stretching an elastic band?
A
Chemical energy to elastic potential energy
6
Q
What is the energy transfer involved in a solar cell?
A
Light energy to electrical energy
7
Q
What are the energy transfers involved in turning on a torch?
A
Chemical energy to electrical energy to light energy
8
Q
What are the energy transfers involved in a swinging pendulum?
A
Gravitational potential to kinetic and back again
