Across
- 3. the moment when two objects hit each other
- 4. a set of interacting parts forming a complex whole
- 6. a measure of how hot or cold something is due to movement of molecules
- 8. energy the total kinetic energy of all the molecules that make up a sample
- 11. when something becomes different over time
- 12. a balanced state in which a system is stable
Down
- 1. when something stays mostly the same over time
- 2. a group of atoms joined together in a particular way
- 5. to move from one object to another or one place to another
- 7. the ability to make things move or change
- 8. movement of molecules
- 9. a number that summarizes a set of data
- 10. energy the energy that an object has because it is moving
- 13. to reach a conclusion using evidence and reasoning