Across
- 1. a measure of how hot or cold something is.
- 6. To reach a conclusion using evidence.
- 7. tiny organisms made up of a single cell.
- 10. the ability to make things move or change.
- 12. anything that has mass and takes up space.
- 15. the moment two objects hit each other.
- 16. a small part that is meant to show the whole.
- 17. the energy that an object has because it is moving.
- 18. to move from one object to another.
Down
- 2. To make something safe by heating it.
- 3. a number that summarizes a set of data.
- 4. A balanced state in which a system is stable.
- 5. when something stays mostly the same.
- 8. when something becomes different over time.
- 9. a heating unit that stores and warms water.
- 11. water that is underground.
- 13. A group of atoms joined together in a particular way.
- 14. a set of interacting parts forming a complex whole.