Inner Planets Crossword

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Across
  1. 3. The average daily temperature on this planet is 465 degrees celsius
  2. 7. The moons of Mars are _____________ and Deimos
  3. 9. the surface of the earth is broken into _________ plates that move around
  4. 10. 5800 degrees Kelvin is the temperature of the ___________ of the sun
  5. 12. The length of a _____ on the sun varies from the poles to the equators
  6. 14. The temperature of the core of the sun is ____ million degrees Kelvin
  7. 18. The nickname for Earth is the Big Blue _____________
  8. 19. The outermost layer of the sun
  9. 22. Mars is the ______ planet from the sun
  10. 24. This layer of mars is 65 km thick on Earth side and 150 km on the far side
Down
  1. 1. The Red planet
  2. 2. The longer nickname for the sun
  3. 4. 77% of Earth's atmosphere is made of ______________
  4. 5. 100 here on earth would be 90 on Venus
  5. 6. The nighttime temperature of this planet is -173 degrees C
  6. 8. The layer of Earth that is made of liquid iron and nickel
  7. 11. The first spacecraft to visit Venus was the _____________ 2
  8. 13. The length of a _______ on Mercury is 87.9 Earth days
  9. 15. The core of Earth and most of the inner planets is composted mostly of iron and _______
  10. 16. most of the inner planets have three layers, the crust, _______ and core
  11. 17. The main reason life can exist on Earth
  12. 20. The surface of Earth is mainly ____________ and other silicates
  13. 21. The nickname for mercury is the ________ planet
  14. 23. Made of 70% Hydrogen and 28% Helium, provides energy for solar system