Across
- 1. different shapes of the moon we see
- 4. a pattern or group of stars that people imagine represents a animal or other object
- 6. an object that orbits the sun
- 7. sun-centred model is known as
- 8. Earth-centered model is known as
- 10. the day where we experience the same amount of daylight and night
- 12. cold mixture of dust and ice that develops a long trail of light as it approaches the sun
- 16. oval shape rather than a perfect circle
- 18. tide where the least difference between low and high tides
- 19. darkest part of the shadow during an eclipse
- 20. streak of light produced when a small piece of rock burns up as it enters Earth's atmosphere
- 21. imaginary line that passes from the North pole to the South pole
- 23. the spinning of Earth on its axis
- 24. a giant ball of superheated gas, or plasma
Down
- 2. a body that orbits a planet
- 3. force that attracts objects towards each other
- 5. most significant difference between low and high tides
- 9. the movement of one object around another
- 11. the path planets take around the sun
- 13. rise and fall of ocean water
- 14. area of the shadow where the sun is partially blocked
- 15. tendency of an object to resist a change in motion
- 17. when an object comes between the sun and a third object
- 22. the longest or shortest day of the year
