Force + Energy, Work, Power

6. When charging a phone the following energy conversion takes place: _____ to chemical.
8. Energy stored in a battery is known as ______ energy.
9. Which energy source involves drilling deep into the earth?
11. _____(5) ______(9) is represented on the Y-Axis when drawing a graph for Hooke's Law.
12. Anything that causes an object to change its position or velocity is called a _____.
13. Energy generated from the power of the waves is known as _____ energy.
15. Electric powered cars as opposed to diesel or petrol engines is a method of _______ energy.
17. The primary source of energy on earth is the ___.
18. Work = Force x _____
19. When drawing a graph to represent the results of Hooke's Law, you should get a straight line graph through the ______.

1. What is the unit energy?
2. Power = Work divided by _____.
3. Bicycles that use dynamoes do not require batteries to light the lamp. The energy conversion in a dynamo is:______(7)to _____(5).
4. Unit used to measure power.
5. The force which opposes motion between two bodies is _____.
7. Energy is defined as "The ability to do ____.
10. A book has a mass if 1.2 kilograms. It's weight is 12_______.
14. What energy conversion is occurring when a book falls from a shelf? Potential to ________.
16. What type of force causes a stone to fall when dropped from a height?