Across
- 4. When plates are coming together, that's when we get ______________.
- 5. This is the closest planet to the Sun.
- 7. When plates get stuck together and move again, the pressure that gets released can cause a ______________.
- 8. This is a broken piece of an asteroid or comet.
- 9. This is the thickest layer of the Earth.
- 10. This is how many rings Neptune has.
Down
- 1. This planet has the shortest day.
- 2. When tectonic plates are spreading apart, that's when we get _______________.
- 3. The Earth's crust is made of many ___________.
- 6. This is made of rock, dust, and ice and orbits the Sun. It also has a tail.
- 7. This is the only known planet with water on its surface.