Thermal Energy

2. water that is underground
5. 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
8. a heating unit that stores and warms water
11. to move from one object to another or one place to another
14. when something becomes different over time
15. the ability to make things move or change
16. the total kinetic energy of all the molecules that make up a sample
19. when something stays mostly the same over time

1. 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
3. to make something safe to eat or drink by heating it
4. a small part that is meant to show what the whole is like
6. the energy that an object has because it is moving
7. the moment when two objects hit each other
9. anything that has mass and takes up space
10. a group of atoms joined together in a particular way
12. a set of interacting parts forming a complex whole
13. to reach a conclusion using evidence and reasoning
17. a balanced state in which a system is stable, such as when two or more samples are at the same temperature
18. a measure of how hot or cold something is