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Sciencewords
| Question | Answer |
|---|---|
| What is continental drift | The hypothesis that the continents slowley move across Earth's surface |
| What is deposition | The process by which seiment settles out of the water or wind that is carrying it |
| What is a earthquake | The shakeing that results from the movement of rock beneath Earth's surface |
| What is erosion | The destructive process in which water or wind loosen and carry away fragments of rock |
| What is fault | A break in Earths crust where slabs of rock slip past each other |
| What is fossil | A trace of an achient organism that has been preserved in rock |
| What is geology | The study of the planet Earth |
| What is igneous rock | A type of rock that forms from the cooling of molten rock at or below the surface |
| What is lava | Liquid magma that reaches the surface also the rock formed when liquid lava hardens |
| What is magma | The molten mixture of rock forming substances gases and dwater from the mantle |
| What is metamorphic rock | A type of rock that forms from an existing rock that is changed by heat , preesure , or chemical reactions |
| What is mineral | A naturally occuring inorganic solid that has a crystal structure and a definite chemical composition |
| What is Pangaea | The name of the single landmass that broke apart 200 million years ago and gave rise to todays continents |
| What is plate tectonics | The therory that pieces of Earth's lithospere are in constant motion , driven by convection currents in the mantle |
| What is Richter scale | A scale that rates seismic waves as measured by a particular type of mechanical seimograph |
| What is a sedimentary rock | A type of rock that forms when particals from other rocks or the remains of plants and animals are pressed and cemeted together |
| What is a volcano | A weak spot in the crust where magma has come to the surface |
| What is a glacier | an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers. |
| What is hydrosphere | the water on or surrounding the surface of the globe, including the water of the oceans and the water in the atmosphere. |
| What is humus | the dark organic material in soils, produced by the decomposition of vegetable or animal matter and essential to the fertility of the earth. |
| What is the lithosphere | the solid portion of the earth (distinguished from atmosphere, hydrosphere). or the crust and upper mantle of the earth. |
| What is permeable | capable of being permeated. |
| What is soil | the portion of the earth's surface consisting of disintegrated rock and humus. |
| What is weathering | the various mechanical and chemical processes that cause exposed rock to decompose |
Created by:
syml478
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