Science Vocabulary

2. Naturally occurring water that is not salty, and is suitable for consumption if clean or processed.
3. The branch of science concerned with the properties of the earth's water, and especially its movement in relation to land.
6. (of rock) That has formed from sediment deposited by water or air.
8. The action or process in plate tectonics of the edge of one crustal plate descending below the edge of another.
10. The collision of two tectonic plates composed of continental lithosphere.
11. Rain, snow, sleet, or hail that falls to the ground.
13. (of rock) Having solidified from lava or magma.
17. A layer of silicate rock between the crust and the outer core.
19. The total amount of water on a planet
20. Rocks that form when rocks are subjected to high heat, high pressure or hot mineral-rich fluids.
21. The mass of a substance per unit volume.
22. A biological community of interacting organisms and their physical environment.
24. An intrinsic property of a body.

1. The science that deals with the earth's physical structure and substance, its history, and the processes that act on it.
4. A channel made to divert the flow of water from one course to another.
5. The water found underground in the cracks and spaces in soil, sand and rock.
7. An opening in the earth's crust through which lava, volcanic ash, and gases escape.
9. The quality of being cloudy, opaque, or thick with suspended matter.
11. Safe to drink; drinkable.
12. The third planet from the Sun and the only astronomical object known to harbor life.
14. A huge body of saltwater that covers about 71 percent of Earth's surface.
15. Motion in a gas or liquid in which the warmer portions rise and the colder portions sink.
16. The amount of space an object takes up.
18. An underground layer of water-bearing material, consisting of permeable or fractured rock, or of unconsolidated materials.
23. The outermost shell of a terrestrial planet.