Space Review: Unit Test

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Across
  1. 4. the largest planet
  2. 5. the hottest planet
  3. 9. first day of fall
  4. 10. a frozen ball of ice and rock that orbits the sun
  5. 12. a spacecraft serving as transportation between Earth and a space station
  6. 13. a natural or human made object orbiting a planet
  7. 14. a colourful glow in the Earth’s atmosphere cause by the interaction between the planet’s magnetic field and charged particles from the Sun.
  8. 17. the effect caused by the Moon’s shadow falling on the Earth’s surface when the Moon is situated between the Earth and the Sun
  9. 19. the Sun plus the known planets, moons, and comets which orbit the Sun
  10. 20. occurs when the shadow of the Earths falls on the moon’s surface when the Earth is between the Moon and the Sun.
  11. 23. Canada’s first female astronaut
  12. 24. a depression on a planet of moon’s surface caused by the collision of a large object.
  13. 27. an object in space that produces its own light
  14. 28. first Canadian to walk in space
  15. 32. a group of stars that appear to make a picture
  16. 35. an instrument that helps the observation of distant objects
  17. 36. a meteor that does not burn up fully
  18. 37. force that pulls all objects to the ground
  19. 38. a vehicle propelled through the air by an engine
  20. 39. the path of one body around another, such as the path the Earth follows around the Sun
  21. 40. the planet that spins on its side
  22. 42. the science of the universe beyond Earth
  23. 43. the distance light travels in one year
  24. 45. a machine that explores space and sends back pictures and information to Earth
Down
  1. 1. slightlt cooler areas on the Sun’s surface
  2. 2. the planet with the highest-known mountains
  3. 3. the gasses that surround the surface of a planet
  4. 6. the point, or imaginary line, around which something turns.
  5. 7. first day of spring
  6. 8. first day of winter
  7. 9. a unit of distance that is equal to the distance from the Earth to the Sun.
  8. 11. dark areas on the Moon’s surface once thought to be seas
  9. 15. someone who travels in a spacecraft
  10. 16. first day of summer
  11. 18. a body that moves around the Sun or any other star
  12. 21. one of the most recognizable constellations in the night sky
  13. 22. the name of the brightest star in the night sky (found the constellation Canis Major)
  14. 25. the shape of the Moon, or of a planet as it is seen at a particular time
  15. 26. a rocky body that orbits the sun.
  16. 29. natural satellite orbiting a planet
  17. 30. the flash of light from a small object
  18. 31. known as the North Star
  19. 33. a scientists who studies the star and planets
  20. 34. the closet planet to the Sun
  21. 41. the planet with the brightest rings
  22. 44. a group of billions of stars forming one system