Across
- 4. Heat and pressure provide the __________ needed to change rocks deep inside Earth.
- 6. Rainwater can cause __________ by breaking down rock over time.
- 10. Scientists collect a __________ of rock to study its properties.
- 12. Tiny pieces of rock, sand, and shells make up __________.
- 14. The Grand Canyon has many different __________ that tell Earth’s history.
- 16. Minerals act like glue during __________, sticking sediments together to form rock.
- 17. A diagram that shows the interior of an object (i.e. the cake example from class).
- 18. rock When lava cools and hardens, it forms __________.
Down
- 1. The Earth’s crust is broken into large sections called __________.
- 2. Layers of sediment pile up and harden over time to form __________.
- 3. Each __________ has a unique chemical makeup and crystal structure.
- 5. Heat and pressure can turn any type of rock into __________.
- 7. Rocks, water, and air are all forms of __________ because they take up space.
- 8. The movement of tectonic plates can cause __________, raising land higher.
- 9. One tectonic __________ moves under another in the process of __________.
- 11. Wind and water cause __________, carrying small pieces of rock away.
- 13. Deep inside the Earth, heat melts rock into __________.
- 15. Layers of sediment build up, and __________ squeezes them tightly together.
