Across
- 4. What we call the different shapes of the Moon as the size of the reflecting and non-reflecting parts change.
- 6. the path of an object (eg. planet) that moves around a central body (eg. sun)
- 8. The planet closest to the Sun
- 10. The force that causes the planets to orbit the Sun
- 13. The time for one complete orbit.
- 15. Bodies that orbit the earth
- 17. A flattened circle
- 18. Caused by the pull of gravity from both the Sun and the Moon
Down
- 1. When the moon is completely in the Earth's shadow (2 words)
- 2. The biggest planet in the solar system
- 3. What the outer 4 planets of the solar System are made of.
- 5. The sun and all the things which orbit it (2 words)
- 7. Bright streak in the sky produced by a large rock from space burning up in the atmosphere
- 8. Fourth planet from the Sun
- 9. The planet that is bigger than Mars, has rings around it and is full of gas.
- 11. When one body eg. Moon or Earth blocks light from the Sun and puts a shadow on another body
- 12. What is left of a meteor that does not burn up completely in the Earth's atmosphere
- 14. Small space objects that orbit between Mars and Jupiter.
- 16. number of planets in our solar system
