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35 Cards in this Set
- Front
- Back
Powerful forces inside a magma chamber causes a volcano to do what?
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erupt
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When is magma called lava?
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When it reaches the Earth's surface
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What does an earthquake cause?
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The shaking and sliding of the Earth's surface
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True or False. Most earthquakes and volcanoes happen in the same place.
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True
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Why is driving during an earthquake dangerous?
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Because roads and bridges can be destroyed
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Why should you stay away from windows during an earthquake?
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To avoid breaking glass
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Name a few words that describe the shapes of landforms
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round, flat and high
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What is the movement of weathered rocks and soil called?
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Erosion
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What does animal waste increase in the soil?
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Nutrients
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How do farmers keep soil in place?
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By using certain kinds of crops
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What force does not cause erosion?
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electricity
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What happens to a volcano as more lava erupts and spreads?
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The volcano get taller and taller
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How is most soil held in place?
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By plant and tree roots
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What change does not happen quickly, earthquakes, weathering, or volcanoes erupting?
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weathering
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What is a mountain with a vent at the top called?
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A volcano
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A low area between mountains are: valley, bay or lake?
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valley
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A part of an ocean or lake is: valley, bay or plateau?
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bay
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A high place with a pointed top is: lake, mountain, or plain?
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mountain
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A large body of water surrounded by land is: valley, plateau or lake?
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lake
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A high place with a flat top is: plateau, plain or bay?
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plateau
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A large, flat area on a lowland is: valley, mountain or plain?
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plain
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A place where the land meets the ocean is: river, hill or coast?
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coast
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A huge mass of moving ice is: river, glacier, or coast?
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glacier
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A moving stream of water flowing into a lake or ocean is: hill, cliff or river?
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river
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A steep wall of rock or soil: coast, glacier, or cliff?
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cliff
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A huge body of salt water is: river, ocean, or coast?
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ocean
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A high place with a rounded top is: glacier, cliff or hill?
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hill
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What are landforms shaped by?
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force
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What holds soil on hillsides: animals, plants, or trees?
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plants
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What breaks up sidewalks: animals, plants, or trees
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trees
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What adds nutrients to soil: animals, plants, or trees?
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animals
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What cracks and moves boulders: animals, plants, or trees?
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trees
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What acts as a shield against wind: animals, plants, or trees?
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trees
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What helps to mix air and water with soil: animals, plants, or trees?
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animals
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Science
Chapter 1 Unit C 3rd Grade |
Science
Chapter 1 Unit C 3rd Grade |