Write "true" if the sentence is true. Write "false" if the sentence is false.
1. Heat comes from vibrating molecules only.
2. Molecules always vibrate at the same speed.
3. The faster molecules vibrate, the less heat they give off.
4. Temperature measures the average kinetic energy per molecule.
5. Temperature is measured in calories.
6. We measure temperature with a barometer.
7. Heat depends only on how fast molecules vibrate.
8. An ice cube has energy.
9. An ice cube has the same amount of energy as a block of ice.
10. Heat energy is measured in Joules.