Energy Flashcards
1
Q
What is the unit
A
Joules
2
Q
What is energy
A
The ability to do work
3
Q
What is chemical energy
A
Energy from food
4
Q
What is potential energy
A
Energy that an item has before something is about to be released
5
Q
Kinetic energy
A
Energy an object has in motion
6
Q
Light energy
A
energy from the sun
7
Q
What is heat energy
A
Energy that causes an objects temp to increase
8
Q
Geothermal energy
A
Energy beneath the earths crust
9
Q
Biomass
A
Energy by living or once living organism
10
Q
Law of conservation of energy
A
Energy cannot be created or destroyed, just converted from one form to another
11
Q
What is the formula for energy efficiency
A
Useful energy/total energy X 100/1
