Week 2 Vocab and Greek Roots

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Across
  1. 3. Tiny living things you can only see with a microscope
  2. 4. Greek root meaning "earth"
  3. 5. Energy rays from the sun or space
  4. 7. Cars that move by remote control to explore planets
  5. 9. Greek root meaning "light"
  6. 10. A group of the same living things living together
  7. 11. Machines that can find or measure things
Down
  1. 1. Greek root meaning "time"
  2. 2. Greek root meaning "measure"
  3. 6. A scientist who studies life in the universe
  4. 8. Greek root meaning "study of"