Energy

2. bonds the forces holding atoms together in a molecule
4. the average kinetic energy of the particles in an object
6. transfer of energy by waves
7. a substance that changes the rate of a chemical reaction without any permanent change to its own structure
9. a chemical reaction that absorbs heat energy
10. transfer of heat when particles move between objects or areas that differ in temperature
12. the ability to cause change
13. a particle formed when two or more atoms bond together
14. chemical reactions that release heat
15. the energy an object has due to its motion

1. a scientific law stating that energy cannot be created or destroyed
3. the transfer of energy from one object to another due to a difference in temperature
5. energy that is stored because of an object's position
8. the distance traveled per second by an object
11. the transfer of energy by collisions between the atoms and molecules in a material