1. what happens when water gets hotter?
- particles rise
- area expands and rises
- particles expand and rise
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Other questions in this quiz
2. what is cosmic radiation?
- radiation that caused the big bang
- radiation left over from big bang
- radiation that has always been around
3. Can energy be created or destroyed?
4. longitudinal waves oscillate..
- parallel to direction of travel
- perpendicular to direction of travel
5. what shape are gases?
- fixed shape
- fill container
- fits container