Across
- 2. to have young
- 3. formed when light rays are blocked by a solid object
- 6. substance that doesn't allow heat to pass through
- 8. force made when two surfaces rub against each other
- 12. process where things change to become a new species
- 13. living thing
- 15. combination of more than one type of thing
- 16. when two objects push away from each other
- 17. type of energy that can power household items
- 18. amount of matter in an object
- 19. state of matter that takes the shape of anything
- 20. red-brown crystals that form on iron and steel
- 22. loop that an electric current travels around
- 24. animal that eats only meat
- 25. when a liquid is heated to a degree that it bubbles
- 26. stuff that all things are made of
Down
- 1. state of matter that holds its shape
- 4. animal that eats only plants
- 5. type of energy that allows humans and animals to see
- 7. form of energy that is produced when objects vibrate
- 9. substance that allows heat/electricity to pass
- 10. measure of how hot of cold things are
- 11. state of matter with no fixed shape such as air
- 14. when light or sound is bounced off a surface
- 21. mixture that is created when a solid dissolves
- 23. animal that eats both meat and plants