Across
- 2. There are eight ___ in the solar system.
- 5. The moon is ___ than the Earth.
- 7. Mercury is the ___planet to the Sun.
- 8. The sun is the ___thing in the solar system.
Down
- 1. The Moon is lighter than the Earth. The Earth is ___ than the Moon.
- 3. The Earth is ____ than the moon.
- 4. Neil Armstrong was the first man to land on the ___.
- 6. The first planet is the ___ because it is nearest to the sun.
- 9. The ___is the biggest object in the solar system.