1
Q
Name 5 examples of non-renewable energy.
A
- Coal.
- Oil and petroleum products.
- Natural gas.
- Uranium.
- Nuclear fuel.
2
Q
Name 4 examples of renewable energy.
A
- Hydro power.
- Wind power.
- Solar power.
- Biofuels (Ethanol & Wood).
3
Q
Define “potential energy”.
A
Stored energy in a system.
4
Q
Define “kilojoules.”
A
1 000 joules of energy.
5
Q
Define “kinetic energy”.
A
The energy in moving things.
6
Q
Define “mechanical system”.
A
Non-living system with moving parts.
7
Q
Define “thermal system”.
A
A system that stores and transfers heat energy.
8
Q
Define “electrical system”.
A
A sysytem that uses electrical energy to work.
9
Q
Define “biological system”.
A
Living oragnisms.
10
Q
What is the “Law of Conservation of Energy”?
A
Energy cannot be created or destroyed. It can only be transformed from one form into another.
Grade 7: NS
flashcards
Decks in class (3)
# Cards
