science vocabulary

2. change/a change in matter that does not result in a change in the type of matter.
3. theory/a scientific explanation of the structure of atoms and how they interact.
5. a substance that has definite volume but does not have definite shape.
6. take heat away and become solidified.
10. a measure of the energy of motion of the particles in matter.
11. amount of space something takes up.
12. a substance that does not have definite shape or volume.
16. type of matter made of just one kind of atom.
17. substance that has definite shape and volume.
18. that has mass and volume.
20. substance formed by at least two types of atoms that are chemically combined.

1. combination of two or more substances that keep their identities.
4. mixed together to cause a disperse of the substances.
7. process in which new substances are formed during a chemical change.
8. change/a change in matter that results in a change in the identity of the matter.
9. amount of matter in an object.
13. heavy or light something is, the measurement of the pull of gravity.
14. the amount of energy from moving particles.
15. mixture that has the same composition throughout the whole thing.
19. smallest part of a pure substance.