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Science Chapter 9: Changes to Earth's Surface

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

 1. 
Which describes what Earth undergoes all the time?
a.
weathering
b.
plateau
c.
metamorphosis
d.
crystallization
 

 2. 
How does acid rain form?
a.
Rain mixes with oxygen to form an acid.
b.
Rain mixes with sunlight to form an acid.
c.
Rain mixes with chemicals from water supplies.
d.
Rain mixes with carbon dioxide to form an acid.
 

 3. 
Which of these is true of Earth's surface?
a.
Change to Earth's surface always takes a long time.
b.
Earth's surface is constantly changing.
c.
The rocks on Earth's surface move, but they do not change.
d.
All landforms on Earth's surface extend into the water.
 

 4. 
Look carefully at the illustration below.

science_chapter_9_files/i0050000.jpg
Why would people do this to their seashore?
a.
to stop volcanoes
b.
to stop a landslide
c.
to stop deposition
d.
to stop erosion
 

 5. 
How does deposition change Earth’s surface?
a.
by building up areas of Earth's surface
b.
by making an area unfit for growing plants
c.
by causing earthquakes
d.
by destroying parts of Earth's surface
 

 6. 
Which of these landforms is always found on the coast?
a.
canyon
b.
mountain
c.
peninsula
d.
valley
 

 7. 
Which can cause physical weathering?
a.
the surface
b.
landforms
c.
the crust
d.
water
 

 8. 
What is a fault?
a.
an earthquake
b.
the epicenter of an earthquake
c.
a break in Earth's crust
d.
a place where the Earth's crust is thick
 

 9. 
How can a volcanic eruption change Earth's surface?
a.
It can cause Earth’s crust to move.
b.
It can cause glaciers to double in size.
c.
It can cover Earth’s surface with rock and ash.
d.
It causes the greatest damage near the epicenter.
 

 10. 
Look carefully at the illustration below.

science_chapter_9_files/i0110000.jpg

What is labeled A?
a.
magma
b.
ash
c.
lava
d.
fault
 

 11. 
How can a glacier erode landforms?
a.
The glacier, which is a mixture of rocks, soil, and ice, slides across Earth’s surface and wears it away.
b.
The glacier melts, and floating ice pushes rocks away.
c.
The glacier contains chemicals that cause rocks to break.
d.
The pressure of the glacier melts the rocks underneath.
 

 12. 
What causes a volcano to erupt?
a.
Earthquakes heat up magma, which explodes.
b.
Magma comes through the crust in a weak spot.
c.
Violent weather rubs the crust bare and the magma escapes.
d.
Movement in Earth's plates heats up magma so it explodes.
 

 13. 
Which is an example of erosion?
a.
when wind deposits weathered pieces of rock
b.
when rainwater moves soil down a mountain
c.
when landforms cause physical weathering
d.
when Earth's plates move
 

 14. 
How is a landslide like an avalanche?
a.
Both are rapid kinds of erosion.
b.
Both deposit material on steep hills.
c.
Both are caused by snow and ice.
d.
Both are caused by erosion.
 



 
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