Across
- 3. used in jewelry and photographic paper
- 4. used in lights and signs
- 5. found in the jewelry and most electronic equipment
- 6. found in sand, rocks, soil
- 12. used for the white fireworks and baseball bats
- 14. used for hormone regulation
- 16. found in coal, oil, natural gas, and foods
- 17. used for pigments in paint
- 18. used in water softening products and laundry detergent
- 19. needed for strong bones
- 20. used to make powerful permanent magnets
- 22. found in trace amounts of the air we breathe
- 24. abundant is Earth's crust and is used in cans
Down
- 1. used in toothpaste
- 2. the most abundant element in the universe
- 7. used in disinfectant and bleach
- 8. found in bananas and needed to function the nervous system
- 9. the main ingredient in steel
- 10. used in electric wiring because it is a superior electric conductor
- 11. used to make nitrates for fertilizer and ammonia; makes up about 78% of the air we breathe; also a component of DNA
- 13. the only metal that is liquid at room temperature; used in thermostats
- 15. used in blimps and balloons
- 17. found in table salt
- 21. used in nuclear reactors, weapons applications and photographic toner
- 23. makes up 20% of the air we breathe, used by living things in the respiratory system