Across
- 4. a state of matter that spreads out, like steam
- 5. a material that lets heat or electricity flow easily
- 6. a measure of how hot or cold something is
- 8. a material that blocks heat from passing through
- 12. the science of how food helps the body stay healthy
- 13. two or more atoms joined together
- 14. a state of matter that flows and takes the shape of its container
- 16. heat moving through liquids or gases in a circular motion
Down
- 1. a change in shape or form but still the same substance
- 2. how thick or slow a liquid flows
- 3. the smallest unit of matter
- 7. heat traveling through waves in the air without touching
- 9. a state of matter that keeps its shape
- 10. heat moving directly from one object to another through touch
- 11. anything that takes up space and has weight
- 15. a protein that speeds up chemical reactions in the body
- 16. change when molecules rearrange to form something new