Across
- 2. the energy transfer as one thing eats another
- 6. anything that occupies space and has mass (three states- solid, liquid, gas)
- 8. the change of liquid into a gas(water into water vapor)
- 9. a trait that is passed on from parents to offspring
- 11. plant part that holds the plant up and carries water and food from the roots
Down
- 1. water falling from the sky as snow, rain, sleet, hail
- 3. the number of a kind of organism living in one place
- 4. when two surfaces rub together and heat is created
- 5. when a seed starts to sprout
- 7. the changes as a plant or animal grows
- 10. plant parts that take in water and nutrients from the soil
- 12. the movement of animals to places with better living conditions