Energy and Matter

1. The transfer of thermal energy from a warmer object to a cooler one.
5. The total energy of all the moving particles in an object.
6. A material that slows down or stops heat from moving through it.
9. The transfer of heat through waves that can travel through space without touching anything.
10. The movement of an object from one place to another.
13. A state of matter that has a fixed volume but no fixed shape.
15. When an object expands or gets bigger as it heats up.
16. A measure of how hot or cold something is.
17. The movement of particles from an area where they are crowded to an area where they are spread out.

2. When an object shrinks as it cools down.
3. The study of heat, energy, and how energy moves and changes.
4. A state of matter with no fixed shape or volume that spreads out to fill its container.
7. The process of a gas changing into a liquid.
8. The energy an object has because it is moving.
11. A state of matter with a fixed shape and fixed volume.
12. The transfer of heat through direct contact between objects.
14. The process of a liquid changing into a gas.