Plate Tectonics

5. energy waves that travel through Earth’s layers
6. rock formed through the cooling of lava or magma
8. the generally accepted idea of Earth’s crust as large areas of rock slowly moving
12. having a connection between factors that mutually affects the factors
15. the ability to read, hear, and comprehend information about scientific topics
17. an area in Earth’s crust prone to volcanic activity
18. characterization of the age of material based on its occurrence related to other materials
19. Earth’s rocky outer layer
20. an instrument used to detect waves from an earthquake
21. websites and applications that allow users to participate in sharing content on the internet

1. attracted to magnets
2. added together over time
3. a device that measures a magnetic field
4. an idea that proposes an unproven or not fully provable explanation for a phenomenon
7. a fracture between two blocks of rock where the blocks shift relative to one another
9. the concept of gradual movement of Earth’s continents over geologic time
10. determination of the age of material based on its physical properties
11. the ongoing transition of rock from one type (sedimentary, metamorphic, igneous) to another
13. the process where new oceanic crust forms at and then pushes away from a ridge
14. the shortened name for hydraulic fracturing
16. a scientist who uses the fossil record to study Earth’s history