Energy!

4. The law of _________ of energy states energy can not be created or destroyed.
5. The area around of magnet where the force of the magnet can be felt is called a magnetic _____.
7. Keeps heat inside.
9. Caused by an object's motion.
10. Energy in a battery first starts as this type of energy
11. Energy changing from one form to another is called energy ______.
13. Only use energy when necessary means to use energy ______.
15. The ends of a magnet where magnetism is more concentrated.
16. One way to improve the efficiency of a ______ is to add an insulating layer of clay.

1. Energy in the food we eat first starts as light energy from the sun.
2. Burning fuels causes the release of these two types of energy- light and _____.
3. Energy-_______ means to work well while minimize wasting energy.
4. Fuel is an example of this type of energy.
6. Lightning is an example of this type of energy.
8. Solar heaters are an example of this type of energy.
12. This type of energy is transferred through vibration waves in the air.
14. Called stored energy, caused by an object's position.