Science Vocab

1. boundaries- The boundary between two plates that slide past each other
3. boundary- The boundary between two plates that move away from each other.
5. The moving of weathered material, or sediment, from one location to another
7. The process in which the weight of the layers of sediment force out fluids and decreases the space between sediment grains
9. The mechanical and chemical process that change Earth's surface over time
11. drift - Wegener's hypothesis that all continents were once connected in a single large landmass that broke apart about 200 million years ago and drifted slowly to their current positions.
13. The laying down or settling of eroded material
14. rock- igneous rock that forms as magma that cools underground
17. A naturally occurring solid composed of minerals, rock fragments, and sometimes other materials such as organic matter

2. The process that occurs when one tectonic plate moves under another tectonic plate
4. rock- igneous rock that forms when volcanic material erupts, cools, and crystallizes on Earth's surface.
6. tectonics - Theory that Earth's surface is broken into large rigid pieces that move with respect to each other
7. a process in which minerals dissolved in water crystallize between sediment grains.
8. the process through which sediment turns into rock
10. boundary - The boundary between two plates that move toward each other
12. a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition
15. cycle- the series of processes that change one type of rock into another type of rock
16. spreading -The process by which new oceanic crust forms along a mid-ocean ridge and older oceanic crust moves away from the ridge.