The Four Elements
Across
- 3. These are the smallest part of matter?
- 5. Every visible thing is made up of earth, water, air, and ____.
- 7. Elements are changed by being pushed together and apart by forces of attraction and ______.
- 9. Like fire, our bodies use this chemical reaction called______.
- 10. A glass is never _____.
- 11. Formula H2O is the formula for ____.
- 12. If we didn’t have air inside of us we would ____ from the air.
- 14. Silica is more commonly known as ______.
- 15. Metal ores a pretty ______.
- 19. elements The ancient Greeks believed that everything was made up of ____ ____.
- 20. There is none to little change in temperature near _____.
Down
- 1. When matter is colder the atoms will be _____.
- 2. Air on earth is all made up of _____.
- 4. Plants give off oxygen during ______.
- 6. This type of atom can be spilt into smaller pieces.
- 8. When water travels through the body it carries chemicals,_____, and nutrients with it.
- 9. Water in oceans has absorbed about half of _____ making it into vegetation.
- 13. hundred and thirty five. nine The highest temperature on earth.(ex. number and number . number no dashes)
- 16. Oxygen and ____ are the most common elements in the crust of the earth.
- 17. outer core This layer was melted into a liquid from the heat of the earth.
- 18. In order to create a fire, it needs ___things.
- 21. Rocks, wood, metal, and ice are an example of what type of atom?