Earth Science - 4th grade

What is weathering? 

• Weathering is the process that breaks rocks into smaller pieces. 
• Weathering is the process that joins smaller rocks together to make big rocks. 
• Weathering is watching the weather to see if it will rain or snow or be windy.
• Weathering is when dinosaur bones get hard because they are in the weather. 

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NGSS.4-ESS2-1

What landform is this and how was it formed? 

• Sand dunes, which are formed by wind.
• Sand dunes, which are formed by rain. 
• Hills, which are formed by wind.
• Hills, which are formed by sand build up.

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Weathering is usually caused by

• ice
• water
• wind
• all of these

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The process of breaking rock into sediment is called 

• erosion
• friction
• velocity
• weathering

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In a canyon, these layers are the oldest layers.

• the top layers
• the bottom layers
• the middle layers
• the darkest layers

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NGSS.MS-ESS1-4

Sedimentary rocks are formed when 

• you rub them on a white tile
• they are melted
• layers of rocks are squeezed and stuck together

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NGSS.MS-ESS2-2

Fossils can usually be found in 

• igneous rocks
• metamorphic rocks
• sedimentary rocks
• diamonds

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What Erosion is?

• The process which breaks down rocks into smaller

  pieces.

• Process by which weathered and eroded material is

  deposited by wind, water, or ice

• The process where broken down materials are moved from

  one area to another.

• I'm not sure

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NGSS.4-ESS2-1

Read the definition below:

A landform made of sediment that is deposited where a river flows into an ocean or lake.

• That definition is about a DELTA.

• That definition is about a BEACH.

• That definition is about a GLACIER.

• That definition is about a CANYON.

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NGSS.MS-ESS2-2

Which of the following causes Earth's tectonic plates to move?

• Energy from the Sun
• Magnetic Pole Reversal
• Convection currents in the mantle
• Faults in Mountain Ranges

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