Across
- 4. A force that opposes motion between two objects that touch
- 5. return of a wave after striking a surface t
- 11. An action that causes an object to accelerate; equal to the product of an object's mass and acceleration
- 12. The ability to move or change matter; the ability to do work
- 13. energy: The energy that an object possesses because of its motion
- 14. variable: A part of an experiment or set of data that is affected by an event or another variable
- 16. The maximum distance that the medium of a wave is displaced from its resting position
- 18. State of matter that has no definite shape or volume
- 19. The measure of how heavy something is for its size; the state or quality of being dense; mass per unit volume
- 20. Building block of matter, the smallest particle of an element
Down
- 1. Attraction between two objects due to their masses that increases with mass and decreases with distance
- 2. The transfer of thermal energy from one object to another due to a difference in temperature
- 3. The bending of a wave as it moves around an obstacle or passes through an opening
- 6. Process that changes a liquid to a gas at temperatures below the boiling point
- 7. A negatively charged particle located outside the nucleus of an atom
- 8. Any of 118 known substances that make up matter and cannot be separated into simpler substances; also called chemical element
- 9. Substance composed of two or more substances mixed together
- 10. State of matter that has a definite volume but no definite shape
- 15. A body of facts, statistics, or information
- 17. The tendency of matter to resist change to its motion, whether it is moving or at rest