Space Exploration Crossword

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Across
  1. 3. name of the planet we are going to colonize
  2. 5. they are knocked out of solar cells by photons
  3. 6. a particle of light
  4. 8. energy from waves or particles that can be damaging to the body
  5. 9. type of energy that we can use the sun to power things
  6. 10. the force of air resistance
  7. 13. protons and neutrons in an atom (low numbers of these are good for radiation shielding)
  8. 15. a receiving device does this to the message its receiving so we can understand it
  9. 16. this is the force that wants to not allow a spaceship to leave earth
Down
  1. 1. what is left behind when photons knock electrons out of the panel
  2. 2. a force created by a rocket that propels a spaceship
  3. 4. the type of cell that solar panels are made of
  4. 7. boron and nitrogen can combine to create these materials good for radiation shielding
  5. 10. name of the network of antennas across Earth that allows us to communicate with people or things in space
  6. 11. type of electromagnetic wave used for space communication
  7. 12. the best type of materials for radiation shielding are called this
  8. 14. a type of rocket that can be turned off and on again