Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
ECS Vocab- 8th grade
Earth's Changing Surface Vocabulary
| Question | Answer |
|---|---|
| Topographic Map | a map that shows the surface features of Earth |
| Elevation | the height of an object above sea level |
| Contour Line | line that connects points of equal elevation |
| Contour Interval | the difference in elevation between one contour line and the next |
| Relief | the variations in the elevation of a land surface |
| Index Contour | on a map, a darker, heavier contour line that is usually every fifth line and that indicates a change in elevation |
| Weathering | the process by which rock materials are broken down by the action of physical or chemical processes |
| Mechanical Weathering | the breakdown of rock into smaller pieces by physical means |
| Abrasion | the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles |
| Chemical Weathering | the process by which rocks break down as a result of chemical reactions |
| Acid Precipitation | rain, sleet, or snow that contains a high concentration of acids |
| Differential Weathering | the process by which softer, less weather resistant rocks wear away and leave harder, more weather resistant rocks behind |
| Parent Rock | a rock formation that is the source of soil |
| Bed Rock | the layer of rock beneath soil |
| Soil Texture | the soil quality that is based on the proportions of soil particles |
| Soil Structure | the arrangement of soil particles |
| Soil Conservation | a method to maintain the fertility of the soil by protecting the soil from erosion and nutrient loss |
| Erosion | the process by which wind, water, ice or gravity transports soil and sediment from one location to another |
| Dune | a mound of wind-deposited sand that keeps its shape even though it moves |
| Glacier | a large mass of moving ice |
| Glacial Drift | the rock material carried and deposited by glaciers |
| Till | Unsorted rock material that is deposited directly by a melting glacier |
| Stratified Drift | a glacial deposit that has been sorted and layered by the action of streams or melt-water |
| Mass Movement | a movement of section of land down a slope |
| Landslide | the sudden movement of rock and soil down a slope |
| Mudflow | the flow of mass of mud or rock and soil mixed with a large amount of water |
| Creep | the slow downhill movement of weathered rock material |
Created by:
RABBARNETT
Popular Earth Science sets