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Geosphere Unit

Total questions: 38

Worksheet time: 38mins

Name
Class
Date
1.
Sandstone, shale, conglomerate and coal are all examples of:
a)
sediment
b)
sedimentary rock
c)
igneous rock
d)
metamorphic rock
2.
Water freezing and expanding the cracks in a rock is an example of:
a)
erosion
b)
chemical weathering
c)
mechanical weathering
d)
cementation
3.
A section of missing sedimentary rock due to erosion is called a(n):
a)
deposit
b)
unconformity
c)
index fossil
d)
intrusion
4.
Geologists map the interior of the Earth using:
a)
light waves
b)
sound waves
c)
seismic waves
d)
ocean waves
5.
Which layer of the Earth are the tectonic plates made of?
a)
crust
b)
mantle
c)
asthenosphere
d)
lithosphere
6.
What causes continents to "drift"?
a)
seafloor spreading
b)
subduction
c)
the tides
d)
rotation of the Earth
7.

_________ in modern India demonstrate that it must have once been connected to Antarctica.

a)

Coal deposits

b)

Fossils

c)

Mountains

d)

Glacial scarring

8.
At a divergent boundary, you are likely to find a(n):
a)
subduction zone
b)
trench
c)
mid-ocean ridge
d)
island arc
9.
Where in the world would you find a divergent plate boundary on land?
a)
Great Rift Valley (Africa)
b)
San Andreas fault (California)
c)
Andes Mountains (South America)
d)
Yellowstone National Park (Wyoming)
10.
An island arc tends to form between:
a)
two converging continental plates
b)
two converging oceanic plates
c)
two diverging oceanic plates
d)
an oceanic plate subducting beneath a continental plate
11.
Magma rising and sinking due to differences in temperature and density is called:
a)
subduction
b)
refraction
c)
convection
d)
conduction
12.

Which is an example of two continental plates converging?

a)
Mid-Atlantic Ridge
b)
Himalaya Mountains
c)
Rocky Mountains
d)
Yosemite Valley
13.
The biggest force of erosion on the Earth's surface is:
a)
moving water
b)
glaciers
c)
earthquakes
d)
wind
14.
Which type of rock can be dated using the half-life of radioactive elements?
a)
sedimentary
b)
igneous
c)
metamorphic
d)
fossilized bone
15.
The oceanic crust is made of:
a)
sandstone
b)
sand
c)
granite
d)
basalt
16.
To be considered a good index fossil, a specimen must:
a)
be extremely old
b)
be found across multiple periods or eras
c)
have existed for only a short time in the geologic record
d)
be found in limestone
17.
After three half-lives have passed, how much of the original radioactive substance would remain?
a)
¾
b)
½
c)
¼
d)
⅛
18.

The K-T boundary consists of a thin sedimentary layer of ash and debris that dates to:

a)

540 million years ago

b)

250 million years

c)

65 million years

d)

10,000 years

19.
We are currently living in the Cenozoic ____.
a)
epoch
b)
era
c)
period
d)
eon
20.
The dinosaurs lived only during the:
a)
Jurassic period
b)
Cenozoic era
c)
Mesozoic era
d)
Cambrian period
21.
Most geologic eras end with a(n):
a)
mass extinction
b)
asteroid impact
c)
new animal species
d)
volcanic eruption
22.
Almost 90% of geologic time consists of the:
a)
Paleozoic era
b)
Phanerozoic eon
c)
Precambrian time
d)
Holocene epoch
23.
Which type of organism dominated the Earth during the Paleozoic Era?
a)
dinosaurs
b)
invertebrates and fish
c)
mammals
d)
flowering plants
24.
A drastic explosion of animal diversity occurred at the beginning of the:
a)
Tertiary period
b)
Ordivician period
c)
Cenozoic era
d)
Cambrian period
25.
Which formation represents igneous rock?
a)
1
b)
2
c)
4
d)
5
26.
Which happened most recently?
a)
1
b)
2
c)
3
d)
4
27.
Feature A was formed by:
a)
a fault
b)
erosion
c)
magma
d)
folding
28.
Why aren't there dinosaur fossils in the Grand Canyon?
a)
The rock layers are from before the Mesozoic.
b)
The dinosaurs never lived in this region.
c)
They went extinct before the sediment was deposited.
d)
Trick question: the canyon is a hoax perpetrated by the US government.
29.

Modern-day coal deposits can be found in areas that were once:

a)

Arctic tundra.

b)

desert.

c)

the bottom of a sea.

d)

a tropical swamp.

30.

Which organism is the most likely to become a fossil?

a)

trilobite

b)

jellyfish

c)

bacteria

d)

mushroom

31.

What are the two kinds of seismic waves that travel through the Earth?

a)

P and S waves

b)

L and S waves

c)

P and G waves

d)

sonar and radar waves

32.

The dinosaur extinction paved they way for the "Age of ______________".

a)

Humans

b)

Amphibians

c)

Mammals

d)

Birds

33.

Where did the Chicxulub asteroid actually land when it smashed into the Earth?

a)

China

b)

Antarctica

c)

Mexico

d)

middle of the Pacific ocean

34.

The "Ring of Fire" is a volcanically active zone surrounding the:

a)

Pacific plate.

b)

Atlantic ocean.

c)

North American plate.

d)

Indian plate.

35.

What physical feature will you find at a subduction zone where two plates meet?

a)

deep sea trench

b)

mid-ocean ridge

c)

mountain range

d)

hot spot volcano

36.

Which type of rock is associated with volcanic activity?

a)

metamorphic

b)

sedimentary

c)

igneous

37.

All of human history makes up _____ of the Earth's timeline.

a)

50%

b)

10%

c)

1%

d)

way less than 1%

38.

Beach sand was brought from the mountains to the coast by:

a)

streams and rivers.

b)

lava flows.

c)

glaciers.

d)

ocean waves.

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