Discovering Matter

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Across
  1. 3. this type of material was discovered in 1870
  2. 4. how many elements everything is made of
  3. 6. The 19th Century brought the Industrial _________
  4. 8. the type of balloon that helps discover air pressure
  5. 9. even today, we use carbon dioxide monitoring to study this important part of our world
  6. 12. electrons orbit around this
  7. 13. The 17th Century was The Age of __________
  8. 15. what everyone wanted to make during the middle ages
  9. 16. a candle cannot burn without this element
  10. 17. 200 times stronger than steel
Down
  1. 1. Marie Curie was discovered a way to treat this disease
  2. 2. first produced in 3200 BCE
  3. 4. the first step in science dating back to 790,000 BCE
  4. 5. all matter consists of _______
  5. 7. the discovery that led towards understanding the structure of atoms
  6. 8. how Al-Razi classified the elements
  7. 10. accidentally made by mixing saltpeter, sulfur, and charcoal
  8. 11. French chemist discovers that water is made of oxygen & this
  9. 14. determines whether a substance is acid, neutral, or base