Across
- 5. A group of atoms bonded together
- 10. A characteristic of matter that is not associated with a change
- 11. A meteoroid with a tail
- 12. Pluto is one of these
- 16. 212 degrees fahrenheit
- 17. The softness of metal
- 19. You look at planets through this
- 20. Everything is made of it
- 24. Substances made up of only one type of particle
- 26. 32 degrees fahrenheit
- 27. Believing the earth is the center of our solar system and the sun and planets rotate around it
- 28. Believing the sun is at the center of our solar system(normal people)
- 30. The feel or consistency of a surface or substance.
Down
- 1. The planets are in one of these
- 2. Large rocky bodies that orbit the sun
- 3. The fourth state of matter
- 4. The amount of space that an object occupies
- 6. The absorption of heat
- 7. Amount of matter an object contains
- 8. (A show)A theory that states we all started with it
- 9. Things that can conduct electricity
- 13. Degree of hotness or coldness measured by a thermometer with a numerical scale.
- 14. We live on one of these
- 15. A semiconductor device that essentially acts as a one-way switch for current
- 18. A meteoroid that has entered the earths atmosphere
- 21. Makes metal look shiny
- 22. The amount of matter in a certain area
- 23. Keeps us from floating into space
- 25. We use these to get to space
- 29. A property possessed by an object