PHYSICAL SCIENCE-UNIT REVIEW

1. A sensation caused by vibrations and perceived by hearing.
3. A wheel with teeth.
7. The smallest particle of an element.
8. The chemical change also known as burning.
11. A measure of the motion of an object.
12. The smallest particle of a compound.
14. A state of matter t hat takes up a definite amount of space but does not have a definite shape.
15. A combination of two or more kinds of matter that can be separated by physical means.
16. The transfer of heat from one particle of matter to another.
17. A process in which a vibrating object causes another object to vibrate at the same frequency.
19. A state of matter that has a definite shape and takes up a definite amount of space.
21. A substance that cannot be broken down into other substances by ordinary means, such as heating or crushing.
23. A state of matter that does not have a definite size or shape and expands to fill its container.

1. A type of mixture in which the ingredients are distributed evenly throughout.
2. An object on which another object turns.
4. Able to be stretched and compressed and then returned to the original shape.
5. Two or more elements combined chemically.
6. The transfer of heat through the movement of liquid.
9. The height of a wave.
10. The substance in a solution that is present in the lesser amount.
13. Perceived frequency of a sound wave.
18. The substance in a solution that is present in the greater amount.
20. A bar that turns on a pivot.
22. The ability of matter to do work.