Thermal Energy

3. tiny organisms that are made of a single cell
5. a balanced state in which a system is stable, such as when two or more samples are at the same temperature
9. the ability to make things move or change
13. the moment when two objects hit each other
15. when something stays mostly the same over time
16. heater: a heating unit that stores and warms water
17. a measure of how hot or cold something isthermal energy: the total kinetic energy of all the molecules that make up a sample

1. to make something safe to eat or drink by heating it
2. 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
4. when something becomes different over time
6. to reach a conclusion using evidence and reasoning
7. a group of atoms joined together in a particular way
8. to move from one object to another or one place to another
10. water that is underground
11. energy: the energy that an object has because it is moving
12. a set of interacting parts forming a complex whole
14. a small part that is meant to show what the whole is like
18. anything that has mass and takes up space