Across
- 1. What is the name of the galaxy our solar system is in?
- 4. What is the name of the plates that make up the Earth's crust?
- 7. List the first letters of the planets in our solar system, starting closest to the Sun.
- 10. How many planets are there in our solar system?
- 12. Which planet is referred to as the Red Planet?
- 13. What is the force that keeps all of the planets in orbit around the Sun?
Down
- 2. What is the hottest layer of Earth?
- 3. Which planet is the closest to Earth and is also the hottest in the solar system?
- 5. What do we call the large wave that can be created by an earthquake in the sea?
- 6. What is the name of the celestial body that was removed as a planet in 2006?
- 7. What do we call the substance that makes up most of the mantle?
- 8. Which planet takes approximately 365 days to orbit the Sun?
- 9. What is the closest planet to the Sun?
- 11. What is the name of the second largest planet in our solar system?