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5.7B Earth's Surface
Changes to the Earth's Surface
| Question | Answer |
|---|---|
| Deposition | process by which weathered and eroded material is deposited by wind, water, and ice |
| Environment | all of the living and non-living elements in a particular (geographic) area |
| Erosion | the movement of weathered material by wind, water, or ice (e.g. glaciers) |
| Evidence | facts or other information supporting a claim or proposition |
| Extinction | death of an entire species |
| Fossil | impression, track, remains, or other evidence of an (ancient) organism from the past |
| Landform | a physical structure on Earth that occurs naturally |
| Model | a picture, idea, or object that represents an object, a system, or process and is used to help with understanding |
| Organism | a living thing that grows, reproduces, responds to its environment, and can function on its own |
| Prehistoric | the time (or period) prior to recorded history |
| Weathering | process by which exposed rock is broken down by rain, frost, wind, or other elements of weather |
| Deltas | a nearly flat plain of alluvial deposit between diverging branches of the mouth of a river, often, though not necessarily, triangular |
| Canyons | a gorge or ravine usually formed by the down-cutting of a river in a dry area where there is insufficient rainfall to erode the sides of the valley |
| Sand Dunes | hill of sand built by either wind or water flow. Dunes occur in different shapes and sizes, formed by interaction with the flow of air or water. |
| Wind | the flow of gases on a large scale. On the surface of the Earth, wind consists of the bulk movement of air |
| Water | transparent fluid which forms the world's streams, lakes, oceans and rain, and is the major constituent of the fluids of organisms |
| Ice | water frozen into a solid state. Depending on the presence of impurities such as particles of soil or bubbles of air, it can appear transparent or a more or less opaque bluish-white color |
| Volcanic Eruptions | lava, tephra (ash, lapilli, volcanic bombs and blocks), and assorted gases are expelled from a volcanic vent or fissure; may form islands |
| Earthquakes | A sudden movement of the Earth's lithosphere (its crust and upper mantle); caused by the release of built-up stress within rocks along geologic faults or by the movement of magma in volcanic areas |
| Landslides | the movement of rock, debris or earth down a slope |
| Glaciers | persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. |
Created by:
YoungbloodScience