Geography:Chapter 2 Word Scramble
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Question | Answer |
plate | a huge block of Earth's crust |
weathering | a process that breaks down rocks into small pieces |
Things that cuase weathering | ice, wind, rain, living things (lichens) |
Ring of Fire | Around the rim of the Pacific Ocean where there is a string of volcanoes and earthquakes. 80% of the world's active volcanoes and earthquakes occur at this ring. |
atmosphere | The layer of gases, including oxygen, that surrounds our Earth. It is needed for life to exist here. |
more than 70% | This is the amount of the Earth that is water; lakes, rivers, seas, oceans. |
landforms | Shapes and types of land |
mountains | Rise more than 2,00 ft (610 meters)above sea level or the surrounding flat lands. |
hills | Rounded tops that rise above sea level but are lower and less steep than mountains. |
plateau | Large mostly flat area that rises above its surrounding land. At least one side has a steep slope. |
plains | Large areas of flat or gently rolling land. |
magma | Molten rock that pushes up to form volcanoes |
earthquakes | This is created when blocks of crust, or plates, slide sideways against each other. |
volcano | This is formed when an ocean crust collides with a continental crust and the ocean crust goes under and melts into magma. |
faults | Cracks that are formed when two plates push against each other, break and splinter because of the pressure. |
Pangaea | The huge continent that geographers think the Earth was 200 million years ago. |
erosion | This happens after weathering, when the small broken down pieces are removed by wind, ice or water. |
Earth's three main layers | crust, mantle, core |
Created by:
Adamsthornell
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