Earth
Across
- 2. core: the only liquid core filled with iron and nickel
- 4. the outer layer
- 5. core: the the hottest layer in the center of the earth
- 7. Accretion: the gradual growth of a planet by collision and sticking.
- 10. the make up of something
- 11. the layer of the earth in the center made of 2 parts
Down
- 1. how tightly packed the matter in the substance is
- 3. earth's thickest layer
- 6. a measure of the amount of the weight in an object
- 8. into 3 layers based on what they are made of
- 9. layers: when earth is divided