Across
- 2. large slabs of rock that divide Earth's crust
- 4. the mostly solid bulk of Earth's interior
- 5. the outermost layer of the Earth where we live.
- 6. a substance's mass per unit of volume
- 8. the ground that is at the bottom of the sea
- 11. The middle layer of the Earth, located between the mantle and inner core
Down
- 1. a type of heat transfer that can only happen in liquids and gases, because it involves those liquids or gases physically moving.
- 3. a layer of gas or layers of gases that envelop a planet
- 7. the earth's hottest layer
- 9. sections of the earth
- 10. the third planet from the sun