Earth and Space.

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Across
  1. 2. When we have had a new moon and so the moon appears to get bigger every day, we say that the moon is doing this.
  2. 3. One of the seasons in which Australia has an equinox.
  3. 4. This star does not seem to move at all.
  4. 5. Another name for a shooting star.
  5. 7. What longitude would you expect to see given for Greenwich on a map?
  6. 11. The type of force that pulls on the oceans to form the tides.
  7. 14. How many high tides does each place have in one day?
  8. 17. The imaginary line that passes through Earths poles.
  9. 18. What causes stars to be different colours?
  10. 20. Stars are made of hydrogen and helium _____.
  11. 22. What holds the solar system together?
  12. 23. About how many degrees is the Earth’s axis tilted from the vertical?
  13. 26. The Earth belongs to this galaxy.
  14. 28. What phase of the moon do we have when the moon is on the opposite side of the Earth to the sun?
  15. 29. The sun will continue to do this for approximately another 5 billion years.
  16. 30. This term is used when the first rays of sunlight fall on Earth.
  17. 31. The sun is a .......
Down
  1. 1. The oval shape of the moons orbit
  2. 2. This solstice happens on the 22nd of June in Australia.
  3. 6. There are two main models in astronomy The sun centred and _______ ________ model.
  4. 8. Stars don't move in the sky but seem to because this does.
  5. 9. Which hemisphere is pointing towards the Sun in late December?
  6. 10. One of the months in Australia in which months a equinox occurs?
  7. 12. How many days does it take the moon to complete one orbit?
  8. 13. The number of different time zones in Australia.
  9. 15. This is the direction in which the sun sets.
  10. 16. This place can experience 24 hours of daylight in summer and 24 hours of darkness
  11. 19. In which country of the world is Greenwich?
  12. 21. How many days are there between a full moon and a new moon?
  13. 23. The number of different time zones on Earth.
  14. 24. This is the direction in which the sun rises.
  15. 25. This constellation is referred to as the hunter.
  16. 27. The axis is an imaginary line that passes through these (north and south) on the Earth?