Across
- 2. a liquid changing to a solid
- 5. if a bike rust is it a physical or chemical change
- 7. change from solid to a liquid
- 9. what is the sun abiotic or biotic
- 12. liquid plus liquid to make a solid
Down
- 1. what are humans biotic or abiotic
- 3. what is this element or compound O
- 4. I'm a conductor and shiny what am I
- 6. metal metal I cant conduct electricity or am I shiny
- 8. what do humans and ever land animal breath
- 10. what is this compound or an element H2O
- 11. I'm a Simi-conductor and not shiny
- 13. if i chop down a tree is it a physical or chemical change