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Soils, Weathering, and Erosion Flashcards | StudBud
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Soils, Weathering, and Erosion
Soils, Weathering, and Erosion
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3rd grade Earth Science Unit for soils, weathering, and erosion.
Flashcards
8 cards
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Questions
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Answers
1
Which soil contains the smallest grains and feels smooth between your fingers?
sand
humus
clay
silt
2
The soil in Georgia is red because it contains a lot of...
copper
iron
sediment
quartz
3
Which is the best type of soil for growing vegetables?
sand
loam
clay
silt
4
Which of the following would NOT break down rocks into smaller pieces?
ice
light
water
wind
5
What occurs when weathered rock and organic matter are mixed together?
minerals form
soil erodes
compost breaks down
soil forms
6
What would make a sidewalk crack?
Weathering from ice and water
Too many people walking on it.
A storm with lots of heavy rain
Weathering from strong winds
7
Erosion is a process that...
moves rocks and soil
breaks rocks into pieces
forms rivers
causes storms
8
Which type of soil is made up of decayed organic matter?
none of the above
clay
humus
sand
