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Quiz for 10/5
Flash cards for the quiz on 10/5
23
History
7th Grade
10/04/2010

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Cards

Term
What happens when Earth's plates collide?
Definition
It causes plates to rise and form mountains.
Term
What causes an earthquake?
Definition
Sudden and violent movements of the Earth's crust.
Term
What are faults?
Definition
Cracks in the Earth's crust.
Term
What is the theory of plate tectonics?
Definition
It explains how the continents were moved and why.
Term
What causes erosion?
Definition
Water, wind, & ice.
Term
What's prevailing wind?
Definition
A pattern that a major wind system follows over time.
Term
What's smog?
Definition
A thick haze of smoke and chemicals.
Term
What's the mantle?
Definition
The layer of the Earth that's surrounding the core.
Term
Precipitation?
Definition
Water droplets falling to the ground as rain, hail, sleet, or snow.
Term
Continent?
Definition
Each of the seven large land areas.
Term
Core?
Definition
The middle layer of the Earth's crust.
Term
Current?
Definition
Steadily flowing stream of water in the world's seas.
Term
Evaporation?
Definition
When liquid turns to gas in the atmosphere.
Term
Deforestation?
Definition
Removing of trees without replantation.
Term
Water cycle?
Definition
Process of water moving from the oceans, to the air, to the ground.
Term
Aquifer?
Definition
Underground layer of rock in which water flows.
Term
Crust?
Definition
The top layer of the Earth's layers.
Term
Trench?
Definition
Deep cut in the ocean floor.
Term
Conservation?
Definition
When you save a product. Ex. You conserve energy when you turn off the light.
Term
Greenhouse effect?
Definition
Gases in the atmosphere trap the sun's warmth.
Term
El Nino?
Definition
Heavy rain in South America, drought in India and Asia.
Term
La Nina?
Definition
Little raian in eastern Pacific. Typhoons in western Pacific.
Term
Weathering?
Definition
When large pieces of rock or something break into smaller pieces.
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