1. related, not
2. how fast molecules vibrate
3. how fast molecules vibrate, the number of molecules
4. higher temperature
5. lower temperature
6. more heat
7. less heat
8. degrees
9. joules
10. expand
1. true
2. false
3. false
4. true
5. false
6. false
7. false
8. true
9. false
10. true
