Across
- 4. hottest star
- 6. planets that are closer and made of rock
- 8. the only liquid layer
- 9. closest planet
- 10. biggest planet
- 11. solid most dense layer
Down
- 1. the thinnest layer
- 2. composition of limestone
- 3. thickest layer
- 4. planet with the least density
- 5. layer that's plastic
- 7. igenous rock with one mineral