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Unit B Earth’s Changing Surface - Quiz 1 - Activities 3 & 4
FORM A
Multiple Choice – On your answer sheet write the letter of the ‘BEST’ answer to each question below.
1. Which of the following is the correct mathematical equation for density?
a. D = m/V
b. D = m x V
c. D = m + V
d. D = m - V
*****A student collected information about the mass and volume of several materials in the lab. Use the
information in the chart below to answer questions 2-5 ***********************************
CHART A: Density of some Common Materials
Sample
1
2
2
3
4
Material
Water
Corn syrup
Sandstone
Granite
Basalt
Mass (g)
25.0
35.0
28.0
49.0
45.0
Volume (mL)
25.0
25.0
12.0
18.0
15.0
Density ( g/mL)
1.0
1.4
2.3
2.7
2. What method did the student use to determine the volume of sample # 3?
a.
b.
c.
d.
poured the sample into a graduated cylinder
measured the length, width, and height of the sample - then multiplied the values together
water displacement – fill an overflow can with water, put in rock, catch and measure overflow
place the sample on a balance
3. Use the information in the chart to calculate the density of sample # 4.
a.
b.
c.
d.
675 g/mL
30 g/mL
3 g/mL
0.022 g/mL
4. What would happen to the density of sample # 3 if it were pushed deep into the Earth?
a.
b.
c.
d.
The density of the rock would not change.
The rock would become more dense due to the increased pressure.
The rock would become less dense due to the decreased temperature.
The rock would become less dense because it would melt and become a liquid.
5. What would happen to the density of sample # 2 if it were heated to 50 ⁰C ?
a.
b.
c.
d.
The density of the corn syrup would not change.
The corn syrup would become less dense due to the increased temperature.
The corn syrup would become more dense due to the decreased temperature.
The corn syrup would become more dense due to the increased temperature.
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6. If you poured some of sample # 1 in a container with sample # 2, what would happen?
a.
b.
c.
b.
The water would sink because the water is more dense than the corn syrup.
The corn syrup would sink because the corn syrup is more dense than the water.
The water would float because the water is more dense than the corn syrup.
The corn syrup would float because the corn syrup is more dense than the water.
***** Scientists have collected information about each of the layers of the Earth. The information is included
in the chart below... but the layers are NOT listed in order !!!!! Use the information to answer questions X-Y
******************************
LAYER
A
B
THICKNESS (km)
5-8 km
1230 km
COMPOSITION
Basaltic rock
Solid iron-nickel
TEMPERATURE (⁰C)
20-1300
7000
Density ( g/mL)
~ 3.0
~12
C
2800 km
100-3000
~5
D
E
30-60 km
2150 km
Solid rock that can
deform slowly
Granitic rock
Liquid iron-nickel
20-600
3000-6500
~ 2.7
~12
7. Which of the layers is the inner core?
A.
B.
C.
D.
E.
8. How do you know? (Use 2 specific pieces of evidence from the chart to support your claim)
9. Which of the layers is the oceanic crust?
A. B.
C.
D.
E.
10. How do you know? (Use 2 specific pieces of evidence from the chart to support your claim.
11. Scientists study seismic waves to learn more about the Earth’s interior. What is a key piece of evidence
that supports our current model of a liquid outer core?
a. Seismic “s” waves do not pass through liquids or gases.
b. Seismic “p” waves bend (refract) as they pass through materials of different density.
c. Both “s” and “p” waves travel at different speeds through different materials.
d. All of the above
e. None of the above
12. What evidence, besides seismic waves, do scientists have to support our current layered model of the
Earth’s Interior?
a. Scientists have drilled holes down through the crust and mantle to the outer core.
b. Parts of the earth’s oceanic crust and mantle have risen and become exposed at beaches.
c. The fact that the magnetic poles of the Earth flip every 10,000 years or so as captured in the
alternating patterns of magnetic rock on the ocean floor.
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****************** Base your answers to questions X–Y on the diagram below. *****************
The diagram shows a cross-section of the earth with the arrows representing one possible pattern of
thermal convection in the Earth’s mantle.
13. What is one of the causes the movement of the mantle material?
a. heat is transferred from the core to the mantle material
b. heated mantle material becomes less dense and rises
c. cooled mantle material becomes more dense and falls
d. all of the above
e. none of the above
14. Which of the following is NOT a source of the Earth’s internal heat?
a. Decay of radioactive elements
b. Original heat of the Earth’s formation
c. Heating by the impact of meteorites early in Earth’s History.
d. Coal-burning stove
15. What is one cause of the movement of lithospheric plates on the mantle?
e. Gravity pulls the denser, cooler ocean plates down into the mantle at subduction zones.
f. Gravity pulls the less dense, cooler continental plates down into the mantle at subduction zones.
g. Gravity pulls the denser, cooler ocean plates down into the mantle at divergent boundaries.
h. Gravity pushes the less dense, cooler continental plates up above the mantle at subduction
zones.
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**********This diagram shows a cross section with TWO subduction zones. Use the diagram to answer
questions X-Y**********
B
A
D
C
E
16. This diagram shows two different types of volcanoes. What is DIFFERENT about the two types of
volcanoes?
a. One is formed in water and the other is formed on land.
b. One is formed from rising magma while the other is formed by falling magma.
c. One is formed near a subduction zone while the other is formed far away from a subduction
zone.
d. One is formed at a convergent plate boundary while the other is formed at a divergent plate
boundary.
17. This diagram shows two different subduction zones. What do they have in common?
a. Both involve a convergent plate boundary.
b. Both involve oceanic crust sinking below continental crust.
c. Both involve the formation of new oceanic crust.
d. Both involve the formation of an island arc.
18. This diagram shows the formation of mountains along the edge of a continent where an oceanic
plate is subducting beneath a continental plate. This happens several places on the globe. There is
ONE place in the world where a continental plate is converging with another continental plate to
form mountains. Where is this location?
a. Cascade range in Oregon and Washington where the Pacific Plate is converging with the North
American Plate.
b. Andes Mountain Range in South America where the Nazca Plate is converging with the South
American Plate.
c. Himilayas Mountain Range where the Indo-Australian Plate is converging with the Eurasian Plate.
d. Rift Valley of eastern Africa where the African Plate is splitting in two.
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19. Which of the following does NOT occur at a subduction zone?
a. As an ocean plate crashes into a continental plate and sinks, some of its acquired sediment is
scraped off and gets added to the edge of the continental plate, causing the continent to
grow in size.
b. Rising magma above the subduction zone cools and forms igneous rock that gets added to
the continental plate – making the continent grow in size.
c. Oceanic crust that gets subducted under the continental plate melts, causing that part of the
oceanic plate to be destroyed.
d. Rising magma from the asthenosphere forms new oceanic crust along mid-ocean ridges.
****************** Base your answers to questions X–Y on the diagram below. *****************
This map shows active volcanoes and a few hot spots around the world. Some of the major tectonic
plates are also shown. Use this map – and any others you may have in your science notebook to answer
the following questions:
20. The deepest valleys on the Earth are actually in the ocean… where an ocean plate is subducted under
another plate. These valleys are called ocean trenches. Many ocean trenches are found along the
edges of which major ocean?
a. Atlantic
b. Indian
c. Pacific
d. Antarctic
21. Which of the following is NOT a likely place to find a volcano?
a. Mid-ocean ridge
b. Subduction zones
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c. Hot spot
d. Center of continents
e. Near ocean trenches
22. There are no earthquakes shown on this map, but if you were to label them on the map, where
would they be placed?
a. On or near any plate boundary
b. Only near volcanoes
c. On or near the equator
d. Only on the edges of continents
23. There is one ‘hot spot’ labeled on the map – the Hawaiian Hot Spot in the Pacific Ocean. Where, on
the continental United States, is another active hot spot that is NOT shown on this map?
a. Yellowstone
b. Grand Canyon
c. Pikes Peak
d. Yyyyyyy
Possible Open Response
1. Use the information from Chart B: The Earth’s Layers to draw and label a cross-section of the
Earth, showing its four major layers: crust, mantle, outer core, inner core. Be sure your diagram
shows the appropriate relative thicknesses of the layers. Also label the hottest layer, the
coolest layer, the most dense layer, and the least dense layer.
2. Draw a Venn Diagram that compares and contrasts two of the earth’s layers, using information
from the chart.
Or Draw a Venn Diagram that compares and contrasts the Andes Mountains with the
Himilayas.
3. Write a paragraph that describes how seismic waves provide evidence about the Earth’s
interior.
4. Write a paragraph to explain how a lava lamp is a model of what happens in the Earth’s
mantle. Be sure to include limitations of the model.
Or
Write a paragraph to explain how a Milky Way candy bar is a model of the structure of the
Earth. Be sure to include limitations of the model.
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