Across
- 3. is a push or pull
- 4. insect that is still in its caterpillar state
- 6. animals that eat only plants
- 8. how much room something takes up and is measured in centimeters (cm3)
- 9. the Earth's star
- 12. an instrument used to measure temperature
- 13. power house of the cell
- 15. a plant with strong stems, roots and leaves and do not have seeds
- 16. something that happens in response to something else
- 18. an oxidation process of iron and steel
- 19. two halves that are mirror images of each other
- 20. belonging to or living in water
Down
- 1. a group of atoms joined together
- 2. does not allow water to pass through
- 5. the sweet juice of flowers from which bees make their honey
- 7. substance that has two or more elements in it
- 10. a measure of how hot or cold an object is
- 11. animals that are warm-blooded, usually have fur or hair and feed their young with milk from their mother
- 14. a large body that orbits a star
- 17. nitrogenous compounds that are essential for life