Wind and Water Shape Land - 2nd Grade Science
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Identify the best observation of water erosion: a riverbank collapsing or a leaf growing.
Identify the best observation of water erosion: a riverbank collapsing or a leaf growing.
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A riverbank collapsing. Moving water undermines and removes bank material.
A riverbank collapsing. Moving water undermines and removes bank material.
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Identify the land change: waves remove sand from a beach; is this erosion or deposition?
Identify the land change: waves remove sand from a beach; is this erosion or deposition?
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Erosion. Waves carry sand away from its original location.
Erosion. Waves carry sand away from its original location.
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Which location is most likely to collect deposited sand: behind a rock or in fast water?
Which location is most likely to collect deposited sand: behind a rock or in fast water?
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Behind a rock. Obstacles slow wind, causing sand to drop.
Behind a rock. Obstacles slow wind, causing sand to drop.
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Which location causes more erosion: fast-moving water or still water?
Which location causes more erosion: fast-moving water or still water?
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Fast-moving water. Faster flow has more energy to carry particles away.
Fast-moving water. Faster flow has more energy to carry particles away.
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Identify the land change: wind drops sand into a pile; is this erosion or deposition?
Identify the land change: wind drops sand into a pile; is this erosion or deposition?
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Deposition. Wind releases sand when it loses carrying power.
Deposition. Wind releases sand when it loses carrying power.
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What happens to soil on a hill when heavy rain flows downhill?
What happens to soil on a hill when heavy rain flows downhill?
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The soil can be washed downhill by erosion. Gravity and water flow combine to move soil downslope.
The soil can be washed downhill by erosion. Gravity and water flow combine to move soil downslope.
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What happens to sand when wind slows down near a fence or plant?
What happens to sand when wind slows down near a fence or plant?
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The sand is deposited and can build up into a pile. Obstacles cause wind to slow and drop carried particles.
The sand is deposited and can build up into a pile. Obstacles cause wind to slow and drop carried particles.
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What is one common landform made by deposited river mud near where a river meets a lake or sea?
What is one common landform made by deposited river mud near where a river meets a lake or sea?
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A delta. Rivers deposit sediment where they slow at larger bodies of water.
A delta. Rivers deposit sediment where they slow at larger bodies of water.
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What do you call soil that is carried away by moving water during rain?
What do you call soil that is carried away by moving water during rain?
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Eroded soil. Rain water picks up and carries loose soil particles.
Eroded soil. Rain water picks up and carries loose soil particles.
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Which force can move sand and soil and change land shapes: wind or sunlight?
Which force can move sand and soil and change land shapes: wind or sunlight?
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Wind. Moving air carries loose particles like sand.
Wind. Moving air carries loose particles like sand.
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What landform can form when a river cuts into land over a long time?
What landform can form when a river cuts into land over a long time?
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A canyon. Rivers erode downward through rock over many years.
A canyon. Rivers erode downward through rock over many years.
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What landform is commonly built by wind when sand piles up in one place?
What landform is commonly built by wind when sand piles up in one place?
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A sand dune. Wind deposits sand when it slows down, creating hills.
A sand dune. Wind deposits sand when it slows down, creating hills.
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Which force can wash soil away and change land shapes: water or moonlight?
Which force can wash soil away and change land shapes: water or moonlight?
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Water. Flowing water has force to move soil particles.
Water. Flowing water has force to move soil particles.
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Which observation best shows water shaping land: a beach changing shape or a mountain growing taller?
Which observation best shows water shaping land: a beach changing shape or a mountain growing taller?
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A beach changing shape. Waves and currents move sand, reshaping the coastline.
A beach changing shape. Waves and currents move sand, reshaping the coastline.
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Which observation best shows wind shaping land: ripples in a dune or a river delta?
Which observation best shows wind shaping land: ripples in a dune or a river delta?
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Ripples in a dune. Wind creates patterns by moving sand particles.
Ripples in a dune. Wind creates patterns by moving sand particles.
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