Science Pass

What is erosion?

• Erosion is when rocks and soil are moved to new places.

• Erosion is when rocks are broken into smaller pieces.

• Erosion is what happens during a rainstorm. 

• Erosion is something that happens to very small animals. 

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What probably happened to this road? 

• The water probably caused erosion of the land by the road. 

• There was probably a hurricane. 

• A ship probably ran into the road. 

• Kids probably dug too much sand up and the road collapsed. 

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The process in which sediments, soil, and rocks are added to a landform

• chemical weathering

• physical weathering

• deposition

• erosion

What are fossil fuels? Also known as nonrenewable.

• coal, oil, uranium

• oil, natural gas, uranium

• coal, oil, natural gas

• geothemals, coal, natural gas

How are canyons created?

• children dig them

• by weathering and erosion

• dogs dig them to put their bones in

• oceans make them

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If Carol poured 500 mL of water into the soil and 400 mL can now be found in the jar, then the other 100 mL must have been-

• retained

• drained

• lost in space

• in the bathroom sink

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Which soil would retain the most water?

• loam

• sand

• silt

• clay

Many plants cannot grow in sandy soil. Why is this true?

• Sandy soil does not hold enough water.

• Air cannot pass through sandy soil.

• Roots cannot easily push through sandy soil.

• Sandy soil has too many nutrients.

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This is found in the topsoil and is made of decaying plants and animals. 

• dirt

• water

• humus

• subsoil

What physical property of soil determines if it retains water?

• color

• particle size

• texture

• weight