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World Geography Ch02

True/False
Indicate whether the sentence or statement is true or false.
 

1. 

About 70% of the Earth’s surface is water.
 

2. 

There are a total of four continents on Earth.
 

3. 

Continental shelves extend inland from the oceans.
 

4. 

Earth is not a perfect sphere.
 

5. 

The solar system includes the sun and all the objects that revolve around it.
 

6. 

The total amount of water on the Earth changes each year.
 

7. 

The water cycle is driven by the sun.
 

8. 

The place where a river begins is its mouth.
 

9. 

Gulfs and bays are bodies of salt water smaller than oceans
 

10. 

Groundwater is the water in streams, rivers, and lakes.
 

Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
 

11. 

Jupiter, Saturn, Uranus, and Neptune are
a.
terrestrial planets.
b.
asteroids.
c.
dwarf stars.
d.
gas giant planets.
 

12. 

A ____ is made up of icy dust particles and frozen gases.
a.
meteoroid
b.
solar system
c.
comet
d.
gas giant planet
 

13. 

Earth’s most visible landforms as seen from space are
a.
climates.
b.
continents.
c.
highways.
d.
hills.
 

14. 

Plains, mountains, hills, and plateaus are the major types of
a.
volcanoes.
b.
lithospheres.
c.
landforms.
d.
bodies of water.
 

15. 

Outside the ____, life can exist only with mechanical life-support systems.
a.
valleys
b.
biosphere
c.
continents
d.
asteroid belt
 

16. 

The Grand Canyon in Colorado is an example of
a.
glacial erosion.
b.
wind erosion.
c.
water erosion.
d.
chemical erosion.
 

17. 

The core, ____, and crust are the three layers of the earth.
a.
mantle
b.
magma
c.
plates
d.
lava
 

18. 

During ____ pieces of the earth’s crust come together slowly.
a.
erosion
b.
glaciation
c.
accretion
d.
collision
 

19. 

Changing the makeup of rocks by transforming or combining minerals is called ____ weathering.
a.
physical
b.
water
c.
chemical
d.
slow
 

20. 

When lava breaks through the earth’s crust, a ____ is formed.
a.
trench
b.
volcano
c.
mantle
d.
glacier
 

21. 

About 97 percent of the water on Earth circles the globe as
a.
rivers.
b.
oceans.
c.
rain.
d.
lakes.
 

22. 

Most cities began as settlements along
a.
rivers and lakes.
b.
glaciers.
c.
oceans.
d.
aquifers.
 

23. 

An underground rock layer saturated with water is
a.
the hydrosphere.
b.
a gulf.
c.
an aquifer.
d.
a glacier.
 

24. 

Most of the earth’s total freshwater is in
a.
the oceans.
b.
glaciers and ice caps.
c.
large lakes.
d.
desalination plants.
 

25. 

Water vapor changing into liquid water is called
a.
evaporation.
b.
desalination.
c.
condensation.
d.
thunderstorms.
 

Completion
Complete each sentence or statement.
 

26. 

The two basic types of weathering are ____________________ and chemical.
 

 

27. 

Surrounding the inner core of the Earth is a(n) ____________________ outer core.
 

 

28. 

The zone of earthquake activity around the Pacific Ocean is called the ____________________.
 

 

29. 

The huge supercontinent that many scientists believe once existed is called ____________________.
 

 

30. 

When folded land cannot be bent any further, ____________________ occurs.
 

 

Matching
 
 
Match each item with the correct statement below.
a.
Dead Sea
b.
hydrosphere
c.
landforms
d.
asteroids
e.
Mount Everest
 

31. 

natural features of the earth’s surface
 

32. 

lowest dry land point on Earth
 

33. 

small, irregularly shaped, planetlike objects
 

34. 

highest point on Earth
 

35. 

includes bodies of water such as oceans, lakes, and rivers
 
 
Match each item with the correct statement below.
a.
plate
b.
glacier
c.
mountain
d.
earthquake
e.
core
 

36. 

the innermost part of the earth
 

37. 

sudden, violent movement along a fault line
 

38. 

huge part of Earth’s crust that floats on the upper mantle
 

39. 

large body of ice that moves across Earth’s surface
 

40. 

landform created from colliding continental plates
 
 
Match each item with the correct statement below.
a.
water cycle
b.
groundwater
c.
evaporation
d.
hydrosphere
e.
desalination
 

41. 

Earth’s bodies of water
 

42. 

freshwater beneath the earth’s surface
 

43. 

the movement of water through different forms
 

44. 

changing of liquid water into vapor
 

45. 

process of turning ocean water into freshwater
 



 
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