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science 1:1 & 1:2
Question | Answer |
---|---|
Topography | The shape of the land. |
Elevation | The height above sea level |
Relief | The difference in elevation between the highest and lowest parts of an area. |
Landform | A feature of topography formed by the processes that shape Earth’s surface. |
Landform region | A large area of land where the topography is similar. |
Plain | A landform made up of flat or gently rolling land with low relief. |
Mountain | A landform with high elevation and high relief. |
Plateau | A landform that has high elevation and a more or less level surface. |
Lithosphere | Earth’s solid, rocky outer layer. |
Atmosphere | The outermost sphere. Contains a mixture of gases that surrounds the planet. |
Hydrosphere | Consists of Earth’s oceans, lakes, rivers, and ice. |
Biosphere | Contains all living things- whether in the air, in oceans, or on and beneath the land surface. |
Name the two types of weathering. | Mechanical weathering and ice wedging. |
Describe the process of “ice wedging”? | When water freezes in a crack in a rock it expands and makes the crack bigger.The process of ice wedging also widens cracks in sidewalks and causes potholes in streets. |
What is chemical weathering? | The process that breaks down rock through chemical changes. |
What type of climate does chemical weathering occur the fastest? | Wet climates. |