Across
- 3. ___ are surrounded by land.
- 7. An ___ is a landform surrounded by water.
- 10. One trip around the Sun is one ___.
- 13. Much of the freshwater on earth is ____ and we pump it with wells.
- 17. You can drink ___, not saltwater.
- 18. ___ is the closest planet to the Sun.
- 19. ___ tectonics collide and build up as mountains.
- 20. Water ____ causes land to wash away over millions of years.
- 23. The ___ planets are closer together.
- 24. Mount Everest is the tallest ___ in the world.
Down
- 1. The Earth is the ___ planet in the Solar System.
- 2. There is no ____ in space.
- 4. The ___ is our closest star to Earth.
- 5. ___ is the biggest planet in our Solar System.
- 6. ____ is the smallest planet in the Solar System.
- 8. Most of the water on Earth is Saltwater.
- 9. Part of the Earth is nighttime, while the other part is ____.
- 11. ___ are large balls of fire.
- 12. The ___ star to Earth is the Sun.
- 14. ___ carry water downhill.
- 15. The ___ spins but you can't feel it.
- 16. The Earth orbits the ___ every year.
- 21. There are ___ different planets in the Solar System.
- 22. There is no ___ in space.