Erosion and Weathering - Worksheet 3
Grade 4•Science•Erosion and Weathering
Aligned to: 4-ESS1-1
Answer the following questions about erosion weathering.
1.
Two identical rocks are placed outside. One is in a place that freezes and thaws repeatedly, and the other stays at a constant warm temperature. Which rock will weather faster and why?
A.The warm rock, because heat melts rocks
B.The freezing-thawing rock, because water expands when it freezes and cracks the rock
C.Both will weather at the same rate
D.Neither will weather because rocks are too hard
2.
A farmer notices that soil is washing away from a hillside after trees were cut down. Why did removing the trees increase erosion?
A.Trees make it rain more
B.Tree roots held the soil in place, and without them soil washes away easily
C.Trees block the wind from blowing
D.Trees make the soil heavier
3.
Which of these can cause erosion?
A.Sunlight only
B.Water, wind, and ice
C.Clouds only
D.Stars
4.
Which landform is created by erosion?
A.Volcano
B.Canyon
C.Earthquake
D.Tsunami
5.
What does weathering do to rocks?
A.Makes them bigger
B.Breaks them into smaller pieces
C.Turns them into water
D.Makes them float
6.
What is erosion?
A.Rocks getting bigger
B.Plants growing
C.Moving rock and soil from place to place
D.Clouds forming
7.
Erosion and weathering are the same thing.
8.
Rivers can cause erosion.
9.
Glaciers can cause erosion.
10.
Water, wind, and ice can all cause .
11.
The process of breaking rocks into smaller pieces is called .
12.
How can plant roots cause weathering?
A.By watering the rocks
B.By growing into cracks and breaking rocks apart
C.By painting the rocks
D.By moving rocks to new places