25 Important Elements

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Across
  1. 1. this gas makes up 78% of the earth's atmosphere (N)
  2. 3. this element is the foundation of all liviing organisms (C)
  3. 6. if you place second at the Olympics, you take home this medal (Ag)
  4. 12. this element is important for energy transfer in cells as part of ATP, and is also used inn the manufacture of safety matches (P)
  5. 13. water pipes used to be made of this heavy metal, which is how it got into the drinking water at IHS (Pb)
  6. 14. if you don't eat enough of this element, found in bananas, you may experience muscle weakness or spasms (K)
  7. 15. many food storage cans used to be made of this metal (Sn)
  8. 17. this metal is magnetic! Without enough of this mineral in your diet, you migh become anemic. (Fe)
  9. 19. too much of this metal in your diet may lead to high blood pressure (Na)
  10. 20. the lightest element of all (H)
  11. 22. we sometimes wrap food in foil made from this element before grilling, baking or putting in the refrigerator (Al)
  12. 23. most nutrition experts warn consumers not to consume too much tunafish because it may contain this heavy metal. Also this is the ONLY metal that is a LIQUID at room temperature. (Hg)
Down
  1. 1. advertising lights that glow in the dark are often filled with this gas (Ne)
  2. 2. we need this element for healthy teeth and bones. Drink your milk! (Ca)
  3. 4. this element can help kill the germs in your swimming pool, or it can help to bleach your clothes (Cl)
  4. 5. the coating on pennies and the Statue of Liberty contain this metal (Cu)
  5. 7. the lightest metal of all, this element has atomic number 3 (Li)
  6. 8. if you win at the Olympics, you come home with this medal (Au)
  7. 9. the ion of this element is put into toothpaste and drinking water to help people fight cavities (F)
  8. 10. this mineral plays many important roles in the human body, like supporting muscle and nerve function (Mg)
  9. 11. this element smells like rotten eggs and has an important role in fireworks, gunpowder and matches (S)
  10. 12. an album with more than 1 million sales will be given this rating by the RIAA (the Recording Industry Assoc of America) (Pt)
  11. 16. animals need this gas for cellular respiration (O)
  12. 18. this element is the backbone of the computer industry (Si)
  13. 21. many cold lozenges contain this metal, since it boosts the immune system and can shorten the duration of a cold (Zn)