Science

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Across
  1. 5. Green pigment.
  2. 7. Only made up of one type of atom.
  3. 8. One of the products with oxygen.
  4. 10. Horizontal line on a periodic table.
  5. 12. Made up of two or more types of atom.
  6. 13. A group of two or more atoms joined together.
  7. 14. Smallest part of an element.
Down
  1. 1. Gas needed for photosynthesis.
  2. 2. Vertical line on a periodic table.
  3. 3. Gas produced from photosynthesis.
  4. 4. Chemical reaction in plants.
  5. 6. Taken in by plant with CO2.
  6. 9. Absorbs light energy.
  7. 11. Used to make steel.