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WorksheetsUnit 6 Lessons 3&4
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
Where is most of the Earth's salt water found?
a)
The ocean
b)
Lakes and Rivers
c)
Glaciers
d)
The Gulf of Mexico
2.
What is the difference between salt water and fresh water?
a)
Salt water is clean and freshwater is dirty.
b)
Salt water is dirty and freshwater is clean and salt water is dirty.
c)
Salt water contains salt and freshwater does not.
d)
Freshwater contains salt and salt water does not.
3.
How many layers make up the atmosphere?
a)
1
b)
2
c)
3
d)
4
4.
Which layer of the atmosphere does weather occur in?
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
5.
What state is Earth's water found?
a)
solid
b)
solid and gas
c)
gas
d)
solid, liquid, and gas
6.
Identify the layers of the Earth in order starting at the surface.
a)
Mantle, inner core, outer core, crust
b)
Inner core, outer core, mantle, crust
c)
Crust, outer core, mantle, inner core
d)
Crust, mantle, outer core, inner core
7.
Which layer of Earth is liquid in state?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
8.
Weathering is the breaking down of what material?
a)
Water
b)
Rock
c)
Air
d)
Paper
9.
Which is an example of physical weathering?
a)
Acid Rain
b)
Pollution
c)
Plant roots
d)
Groundwater
10.
Walls built to hold water back are called
a)
Glaciers
b)
Sediments
c)
Meanders
d)
Levees
11.
Which of the following best describes a floodplain?
a)
An area along a river that floods when river water rises.
b)
An area near a river that is so high it never floods.
c)
A plain area that has few trees and grass.
d)
A gentle curve in a river.
12.
Which of the following is not a cause of erosion?
a)
Gravity
b)
Heat
c)
Running water
d)
Wind
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