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WorksheetsEarth Materials
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
A student found a sample of a solid material that was gray, shiny and made of all the same material. What category does this sample best fit?
a)
sedimentary rock
b)
igneous rock
c)
metamorphic rock
d)
mineral
2.
A fourth grade class observes rocks. One sample is found in layers and feels rough and grainy. Which type of rock is it?
a)
sedimentary
b)
igneous
c)
granite
d)
metamorphic
3.
Which correctly matches the rock type with the process involved in forming the rock?
a)
igneous - pressure and heat
b)
sedimentary - erosion and weathering
c)
fossils - molten rocks and magma
d)
metamorphic - heating and melting
4.
Obsidian, granite, and basalt are rocks formed from molten rock that has cooled. What kind of rocks are they?
a)
sedimentary
b)
fossils
c)
igneous
d)
metamorphic
5.
What is the movement of weathered materials called?
a)
ice wedging
b)
erosion
c)
weathering
d)
evaporation
6.
What direction does erosion move Earth materials?
a)
toward the mountains
b)
into cities
c)
downward
d)
upward
7.
Which of the following shows that soil erosion is happening?
a)
The soil is deep and grows grass on top.
b)
The soil has deep gullies.
c)
A forest of pine trees grows in the soil.
d)
Pavement is placed on the soil for a road.
8.
A home has a sloping backyard. The family puts in retaining walls made of large boulders part way down the hill. Why?
a)
They look nice.
b)
They keep soil in place
c)
To improve the view.
d)
To keep the house from rolling.
9.
Sally dug up some soil, put it in a cup and weighed it. She put it in a warm place with no cover. Two weeks later she weighed it again. It weighed less than before. Why?
a)
Water had evaporated.
b)
The soil was warmer.
c)
There were fewer living things.
d)
The cup had changed shape.
10.
Look the image carefully.
It shows the percentages of rock pieces, air, water and living things. What is this soil mostly composed of?
It shows the percentages of rock pieces, air, water and living things. What is this soil mostly composed of?
a)
rock pieces
b)
air
c)
water
d)
living things
11.
If the percentage of water went up, which other part would most likely go down?
a)
none would
b)
air
c)
water
d)
living things
12.
If plants are not growing well in a soil, what is one way to fix it?
a)
Take away air.
b)
Take away mineral particles.
c)
Add nutrients.
d)
Add subsoil.
13.
What is the main reason plants need soil?
a)
for food
b)
to hold them in place
c)
to make water
d)
to keep them alive
14.
Use this soil profile to answer the next two questions:
Which soil layer would you expect to find the largest rocks in?
Which soil layer would you expect to find the largest rocks in?
a)
topsoil
b)
subsoil
c)
bedrock
15.
What gives the topsoil its dark color?
a)
special types of rock particles
b)
more water
c)
larger rock pieces
d)
decaying living things
16.
Which of the following best describes the relationship between a rock and a mineral?
a)
Rocks are pure substances; minerals are not.
b)
Rocks are made from minerals.
c)
Minerals are made from rocks.
d)
Rocks and minerals are the same thing.
17.
A rock sample has been changed by heat and pressure. Which type of rock is it?
a)
sedimentary
b)
fossils
c)
igneous
d)
metamorphic
18.
Sandstone, shale, limestone and conglomerate are common rocks in Utah. They form colorful rock formations and canyons. What type of rock are they?
a)
sedimentary
b)
fossils
c)
igneous
d)
metamorphic
19.
Which of the following is NOT a way rock is broken down and weathered?
a)
freezing and thawing
b)
plant roots
c)
heat expansion
d)
carried away by wind
20.
What forms after a rock has been weathered over many years?
a)
soil
b)
a stream
c)
valleys
d)
a lake
21.
When are soils most likely to erode (gradually wear or be worn away)?
a)
When they are moist
b)
When they are deep
c)
When the plant cover is gone
d)
At night or on cloudy days
22.
A water truck keeps the soil wet at a construction site. Why?
a)
to keep the soil from blowing away
b)
to keep the workers cool
c)
to help new plants grow when they are planted
d)
it looks better when it is wet
23.
A piece of rock from a mountaintop is found on a beach near an ocean. What is this an example of?
a)
soil
b)
weathering
c)
ice wedging
d)
erosion
24.
A student pours water into a clear cup of soil. He sees air bubbles coming out of the water as it sinks into the soil. Where are the air bubbles coming from?
a)
the water
b)
the soil
c)
the cup
d)
decaying things
25.
What kind of type of soil you would like to have to grow a good garden.
a)
dark and moisture
b)
yellowish and moisture
c)
dark and dry
d)
yellowish and dry
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