Thermal Energy Vocab

4. the transfer of heat by direct contact of particles of matter.
5. a group of atoms joined together in a particular way
8. energy the energy an object has because its moving
12. a number that summarizes a set of data and that can be computed by adding all the numbers in a list and then dividing by the number of numbers in the list
14. when something stays mostly the same over time
15. when something becomes different over time
16. to reach a conclusion using evidence and reasoning
17. zero The temperature at which there is absolutely zero molecular movement.

1. the transfer of heat by the motion of matter, such as by moving air or water
2. the moment when two objects hit each other
3. heater a heating unit that stores and warms water
6. a measure of how hot or cold something is
7. radiation electromagnetic waves produced by objects because of their temperature
9. to move from one object to another
10. a set of interacting parts forming a complex whole
11. water that is underground
13. a balanced state in which a system is stable, such as when two or more samples are at the same temperature