Across
- 5. water that is underground
- 6. energy the energy that an object has because it is moving
- 9. a list and then dividing by the number of numbers in the list
- 11. a small part that is meant to show what the whole is like
- 13. a balanced state in which a system is stable, such as when two or more samples are at the
- 17. anything that has mass and takes up space
- 18. a measure of how hot or cold something is
Down
- 1. the moment when two objects hit each other
- 2. energy the total kinetic energy of all the molecules that make up a sample
- 3. to make something safe to eat or drink by heating it
- 4. to move from one object to another or one place to another
- 7. when something becomes different over time
- 8. when something stays mostly the same over time
- 10. a set of interacting parts forming a complex whole
- 12. a number that summarizes a set of data and that can be computed by adding all the numbers
- 14. a group of atoms joined together in a particular way
- 15. temperature
- 16. heater a heating unit that stores and warms water
