Across
- 2. the layer of rock that forms Earth's outer surface
- 3. any substance containing carbon compounds produced by living organisms
- 7. any substances that can be decomposed into simpler substance by chemical substance
- 9. naturally occurring solid that can form from inorganic processes
- 10. support a scientific theory or hypothesis
- 11. the layer of hot, solid material found below the Earth's crust
Down
- 1. a layer of molten iron and nickel that surrounds the inner core of Earth
- 4. repeating pattern of mineral particles
- 5. vibrations that travel through Earth carrying the energy released during an earthquake
- 6. a dense sphere of solid iron and nickel at the center of Earth
- 8. the process by which atoms are arranged to form a material that has a crystal structure