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