science terms....

1. state of matter that retains it's shape.
3. a group of interacting elements that act according to a set of rules to form a unified whole.
5. a sample of matter that confirms to the shape of a container.
6. one of the four fundamental states of matter.
7. the capacity of a system to do work.
8. the process by which heat or electricity is Transferred through a substance.
10. the conversation of one form of energy into another.
12. energy that comes from a source and travels space at the speed of light.
13. the energy possessed by a body by virtue of a position relative to others.
15. energy that is transferred from body to another.
17. radiation the electromagnetic radiation admitted by a body with a temperature above absolute zero.
18. transfer of heat.
19. transfer of energy by force on an object as it is displaced.

2. a substance which does not readily allow the passage of heat or sound.
4. an object that is moved or pushed by something that causes motion.
9. the energy contained within a system that is responsibly for it's temperature.
10. the degree of hotness or coldness of and object.
11. an extremely tiny piece of matter.
14. anything that takes up space.
16. the degree of compactness of a substance.