Across
- 6. all living things on Earth
- 7. state of matter where particles are closely packed and they vibrate in place
- 8. energy traveling on waves; can be heard
- 9. freshwater contained in the ground
- 12. an educated prediction that you make before experimenting
- 13. the amount of matter in an object
- 15. mixture where the parts can be identified
- 18. all water on Earth
- 19. the smallest building block of matter
- 20. state of matter where particles are widely dispersed
Down
- 1. the amount of space something takes us
- 2. type of energy of motion
- 3. mixture where the parts cannot be identified
- 4. gases and air on Earth
- 5. large body of salt water covering 70% of the Earth
- 10. rocks, soil and other non-living things on Earth
- 11. flowing body of freshwater
- 13. anything that has mass and takes up space
- 14. energy that is stored
- 16. the ability to do work or cause change
- 17. energy that is experienced as heat