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Chap 2 Test Review
| Term | Definition |
|---|---|
| Why cities are often warmer than countryside | cities have more metal, asphalt, and concrete surfaces |
| # of layers inside the earth | 3 |
| % of earth covered in water | 71% |
| # of continents on Earth | 7 |
| regular movement of water | water cycle |
| how has the total amount of water on Earth changed since it was formed? | Earth has the same amount of water it did when it was formed |
| describes how far above seas level a landform or location is | elevation |
| cause of earthquakes and volcanoes | plate movement |
| center of the earth made up of liquid metal | core |
| coastal area where ocean waters are partially surrounded by land | bay |
| day and night in both hemispheres are of equal length | equinox |
| earth's oceans smallest to largest | Arctic, Southern, Indian, Atlantic, Pacific |
| increase in the average temperature of Earth's atmosphere | Global Warming |
| two continents completely surrounded by water | Australia and Antarctica |
| % of Earth's water that is saltwater | 97% |
| effects of deforestation | landslides and erosion |
| processes that work together to change Earth's surface | weathering and erosion |
| how long does it take for tectonic plates to create landforms? | millions of years |
| force that has caused the fastest change in Earth's environment | human action |
| the process by which Earth's surface is worn away by natural forces | weathering |
| what causes the seasons to change on Earth | Earth's tilt as it revolves around the sun |
| why do we have daylight and darkness? | earth rotates once every 24 hours |
| order of Earth's layers from surface to center | crust, mantle, outer core, inner core |
| Earth's completion of one full trip around the sun | revolution |
Created by:
challison
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