Thermal Energy

4. a measure of how hot or cold something is
7. a set of interacting parts forming a complex whole
9. the moment when two objects hit each other
10. a number that summarizes a set of data (can be computed by adding all the numbers in a list and then dividing by the number of numbers in the list)
11. a group of atoms joined together in a particular way
12. when something becomes different over time

1. to reach a conclusion using evidence and reasoning
2. the energy that an object has because it is moving
3. when something stays mostly the same over time
5. a balanced state in which a system is stable, such as when two or more samples are at the same temperature
6. to move from one object to another or one place to another
8. the total kinetic energy of all the molecules that make up a sample