Across
- 4. firm and stable in shape
- 6. the ability to do work
- 8. a minute quantity or fragment
- 10. heat transfer through direct contact
- 11. a collection of elements that are organized
- 12. anything that takes up space
- 13. a state of matter that has no fixed shape
- 14. heat energy
- 17. energy in motion
- 18. heat transfer through empty space
Down
- 1. keeps things cool or hot
- 2. heat is transferred through a heated fluid
- 3. an occupation that someone does
- 5. how much mass there is in a particular space
- 7. to convey from one thing to another
- 8. stored energy
- 9. the measure of hotness and coldness
- 15. energy transferred from one body to another
- 16. take the shape of there container