Across
- 1. S A pale yellow nonmetallic element occurring widely in nature
- 2. we use this material to write with
- 3. is a chemical element with symbol Fe
- 8. has the highest strength to weight ratio of any natural metal
- 11. is a metal with a symbol of Hg
- 12. gas in a balloon
- 14. When it is burned, the flame is a light purple
- 17. absorbed by the plant in some form of combination from the soil
- 19. something we breathe every day
Down
- 1. is less dense than water so it floats on water
- 4. change we use every day
- 5. atomic symbol is Mg and it is the eighth-most plentiful element in the Earth
- 6. It is a good conductor of heat and electricity
- 7. the mineral found in dairy products
- 9. was the first fuel used in inflatable aircraft and Zeppelins
- 10. I have 17 protons
- 13. A chemical element with an atomic number of 36
- 15. the color of a dime
- 16. a bright color
- 18. my atomic number is 27