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Worksheets3rd Grade Soil Review
Total questions: 11
Worksheet time: 6mins
Name
Class
Date
1.
What is the top layer of soil is called?
a)
topsoil
b)
silt
c)
sand
d)
layer
2.
Soil with the tiniest pieces (grains) of rocks is .....
a)
sand
b)
silt
c)
clay
d)
humus
3.
Part of the soil made up of dead plants and animals is called......
a)
sand
b)
silt
c)
loam
d)
humus
4.
The layer under the topsoil is called.....
a)
bedrock
b)
subsoil
c)
topsoil
d)
humus
5.
To look at, watch, or study closely...
a)
erosion
b)
observe
c)
silt
d)
weathering
6.
The breaking down of rocks into small pieces by wind and water.....
a)
soil
b)
weathering
c)
silt
d)
humus
7.
Just below the fragmented rock is the __________ layer
a)
loam
b)
topsoil
c)
bedrock
d)
subsoil
8.
What contains water, air, humus, and tiny pieces of rock?
a)
soil
b)
minerals
c)
rocks
d)
toys
9.
This soil is coarse, with large grains, and drains quickly.
a)
humus
b)
loam
c)
sand
d)
clay
10.
This soil is a mixture of humus, sand, silt, and clay.
a)
loam
b)
clay
c)
bedrock
d)
subsoil
11.
Humus is made up of .....
a)
remains of once living things (leaves, small organisms)
b)
minerals
c)
lava
d)
igneous rock
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