Crispy Crossword - 7C Physics

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Across
  1. 2. The model that states the solar system revolves around Earth, and says that the sun moved around instead of Earth.
  2. 6. They are rocky objects that mostly orbit the sun in a region between the orbits of Mars and Jupiter.
  3. 8. A type of artificial satellite that is polar and used to collect information about changes to Earth and to observe space.
  4. 10. The largest planet in our solar system.
  5. 12. A type of artificial satellite that is geostationary and polar and used to spy on other countries.
  6. 13. A satellite that is not man-made and was made by the Big Bang billions of years ago.
  7. 17. A type of artificial satellite that is geostationary and used to send radio signals, television programs and phone calls.
  8. 18. The model that states Earth is the center of the solar system.
  9. 19. The motion that is when a planet appears to go backwards, even though Earth is overtaking it instead.
Down
  1. 1. The telescope planned to orbit the Sun and take amazing photos never seen before.
  2. 3. They are made of dust and ice and seem to have "tails" when close to the sun.
  3. 4. A type of artificial satellite that is geostationary and used to let people find their location anywhere on Earth.
  4. 5. A type of artificial satellite that is geostationary and polar and used to map and look down at Earth and find resources.
  5. 7. The smallest planet in our solar system.
  6. 9. The model that states the solar system's center is the Earth.
  7. 11. The equation that is used to predict the number of alien civilizations capable of receiving radio transmissions.
  8. 14. A satellite that is man-made by humans on Earth.
  9. 15. A type of artificial satellite that is polar and used to predict weather forecasts based on movement in the atmosphere.
  10. 16. The telescope currently in Space used to take photos of the solar system.