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Science Unit C
Chapter 1
Question | Answer |
---|---|
Weathering | the process that breaks down and changes rocks |
Erosion | moving of weathered rock and soil |
Deposition | the dropping of minerals moved by erosion |
Plate | a large section of the earths surface made of the crust and the rigid top part of the mantel |
Plate Tectonics | a teary state in the earths surface is broken into a plate that moves |
Mineral | a natural non living solid with a definite chemical structure |
Rock Cycle | the way rocks change from one form to another |
Atmosphere | layer that gasses are found |
Hydrosphere | layer that water is found |
Lithosphere | layer that minerals are found |
Center most layer of the earth | core |
Middle layer of the earth | Mantle |
Outside layer of earth | Crust |
Hypothesis that continents have moved | edges and features don't match |
Events that cause plate movement | earth quake, fault |
Where do most earthquakes and volcanic eruptions occur on earth? | Hawaii |
How do volcanoes form islands? | they explode into water, the lava and water form islands. |
Example of weathering | iron to rust |
Example of erosion | wind and weather and ice |
Example of disposition | beaches and dunes |
Sedimentary Rock | rock formed when elements are pressed or cemented together. |
Igneous Rock | rock formed from melted rock that comes from deep with in the earth. |
Metamorphic rock | a rock formed when igneous or sedimentary rocks are changed by heat or pressure. |
Why do scientists study layers of rock | to study what has changed from the past. |