Across
- 4. thin and first layer of earth
- 5. cool rigid outermost layer of earth
- 7. solid layer with plasticity in the upper mantle
- 8. is part of the crust which is water
- 11. envelope of gases surrounding the earth
- 13. mass per unit volume
Down
- 1. makes up 84% of the earth's space
- 2. solid nickel and iron, most dense
- 3. liquid nickel and iron, second most dense
- 6. variable that affects matter of earth's layers
- 9. third planet from the sun
- 10. pure substance made up of 2 or more
- 12. material in asthenosphere, solid yet able to flow