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Kang

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    Kang
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  • What are the 3 main processes in the water cycle?
    Evaporation, Condensation, Precipitation
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  • Water is always moving in a continuous cycle. What is the name of this process?
    Water cycle
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  • Explain  evaporation.
    When the sun heats up the water in the oceans, rivers, lakes, the water evaporates and turns into the gas called water vapour.
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  • What is precipitation?
    Any form of water that falls from the sky. Examples : rain, snow, sleet. hail
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  • Explain how a waterfall is formed.
    River flows over hard rock - Soft rock will erode forming a small step - more soft rock erode, larger step - eventually leading the the formation of a waterfall
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  • Where Rivers start from?
    mountains.
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  • What is the largest river in the world
    The Amazon
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  • What is the longest river in the world?
    the Nile.
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  • What is a spring?
    Water that runs through the ground and comes out from an opening
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  • What are meanders?
    Wide S-shaped bends
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  • What is a tributary?
    A small river that joins the main river and makes the main river larger.
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  • The side of a river is called the.... The bottom of the river is called the ______bed
    bank  / bed
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  • To turn (change) from a gas into a liquid.
    condense
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  • What is a dam and why do we build it?
    We build a dam to stop the flow of river. Water is collected and held in a reservoir. we use them for crops, drinking water, and hydroelectric power.
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  • The measure of how much water vapor is in the air is called ______.
    humidity
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  • The temperature at which water vapor in the air condenses into water.
    dew point
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