Across
- 4. massive slabs of rock, that connect the surface of the earth made from the crust plus a thin layer of the mantle
- 6. edge of a plate where one plate meets another, where there are many mountains and volcanoes
- 10. a large landmass or area of land
- 12. the study of the physical features and history of earth
- 15. the rising and falling of magma, causing tectonic plates to move
Down
- 1. the center of the planet
- 2. hot rock from below the earth
- 3. tectonic plates the 8 large plates on the surface of earth
- 4. a group of pictures and dates of important events, arranged in the order in which they happened
- 5. a thin layer of rock on the surface of the earth
- 7. when two tectonic plates slide and grind sideways past each other, causing an earthquake
- 8. scientists who study the structure of the earth to figure out its ancient history and how it has changed over time.
- 9. a super continent that existed over 250 million years ago
- 10. when two plates bump or crash into each other
- 11. when two tectonic plates move away from each other
- 13. core hard layer around the inner core
- 14. tectonic plates there are about 7 small plates on the surface of earth