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Science 7 Quarter 3 Review

Total questions: 54

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

Process by which new ocean crust forms.

a)

Seafloor spreading

b)

Rift

c)

Continental drift

d)

Deep ocean ridge

2.

Mid-ocean ridges are the sites of intense _________ activity.

a)

Mathematical

b)

Earthquake

c)

Volcanic

d)

Emotional

3.

___________ is the process by which

new oceanic lithosphere (sea floor) forms as magma rises to Earth’s surface and solidifies at a mid-ocean ridge.

a)

Sea-floor spreading

b)

Continental drift

c)

Plate Tectonics

d)

Mid-ocean range

4.

Which type of boundary forms a mid-ocean ridge?

a)

transform

b)

divergent

c)

convergent

5.
How does fossil evidence support Wegener's hypothesis of continental drift?
a)
Similar fossils are found along continental margins that appear to join together.
b)
Fossils are found in areas where the present-day climate could not have supported the organisms that made the fossils.
c)
Similar fossils of giant, land-dwelling dinosaurs are found on continents separated by oceans.
d)
all of the above
6.
Which fossil is relatively the oldest?
a)
Trilobite
b)
Ammonite
c)
Crinoid
d)
Gastropod
7.

The age of a rock compared to the ages of other rocks is the rock's

a)

absolute age

b)

geologic age

c)

sedimentary age

d)

relative age

8.

Which of the following orders the rock layers accurately from oldest to youngest?

a)

1, 2, 3, 4, 5

b)

5, 4, 3, 2, 1

c)

2, 3, 4, 5, 1

d)

1, 2, 3, 5, 4

9.

As you travel deeper DOWN into the Grand Canyon, the rocks get _____.

a)

younger

b)

older

c)

prettier

d)

nicer

10.

The __________of rocks is the numerical age and real age of rocks.

a)

relative age

b)

half-life

c)

absolute age

d)

earth age

11.

Geologist use the time it takes for a radioactive isotope to decay to half its original mass called a___________.

a)

radioactive decay

b)

isotope

c)

half-life

d)

carbon dating

12.
How does absolute age differ from relative age?
a)
only absolute dating indicates which rock is older than another
b)
only absolute dating finds the age in years
c)
only relative dating finds the age in years
13.

Earth elements decay and change into another element in a process called_____________.

a)

radiation

b)

isotope

c)

radioactive decay

d)

half-life

14.

What phenomena takes place that results in the formation of new crust at mid-ocean ridges?

a)

Earthquakes

b)

Inner Core turbulence

c)

plate tectonics

d)

erosion of mountain ridges

e)

magma rising to the surface

15.

Which things increase as depth increases into the Earth?

a)

time

b)

Pressure

c)

temperature

d)

density

16.

The plates of the crust move because...

a)

volcanoes erupt violently.

b)

of the weight of the oceans.

c)

of convection currents in the mantle.

d)

of the moon's gravity.

17.

What evidence did Wegener use to support his theory?

a)

Continents and fossils fitting together/matching-up like puzzle pieces

b)

glacier scars and other climate evidence from temperature

c)

mountain ranges and rocks line up across continents

d)

all of the above

18.

Many earthquakes happen along the borders of...

a)

Countries

b)

Tectonic Plates

c)

Climate Zones

d)

None of the above.

19.

Which is a disturbance or shaking of Earth's surface?

a)

Landslide

b)

Earthquake

c)

Epicenter

d)

Focus

20.

Which are waves that carry large amounts of energy?

a)

Richter Scale

b)

Magnitude

c)

Fault

d)

Seismic

21.

When _________ produce ground motion, we call this an Earthquake.

a)

light waves

b)

seismic waves

c)

sound waves

d)

radio waves

22.

Mid-ocean ridges are ___________ boundaries.

a)

divergent

b)

convergent

c)

transform

d)

subduction zone

23.

When two plates converge on land, they form_______.

a)

mountains

b)

rivers

c)

valleys

d)

lakes

24.

Two plates slide past each other at what boundary?

a)

Covergent

b)

Divergent

c)

Transform

25.

Two plates come together or collide at what boundary?

a)

Convergent

b)

Divergent

c)

Transform

26.
Convergent Plate Movement can create
a)
Rifts
b)
Mountains
c)
Ocean Ridges
d)
Radiation
27.
What are the 3 major types of rocks?
a)
Igneous, Metamorphic, Sedimentary
b)
Metamorphic, Igneous, Cementation
c)
Brown, Red, Gray
d)
Streak, Hardness, Breakage
28.
The three groups of rocks are classified by
a)
How they form
b)
Color
c)
Grain size
d)
Chemical Composition
29.
In what type of rock would you typically find fossils?
a)
igneous
b)
metamorphic
c)
sedimentary
d)
rocky
30.
How do metamorphic rocks form? 
a)
Heat and Pressure
b)
Compaction & Cementation
c)
Cooling of Magma
d)
Sediments & Glue
31.

Gneiss is the most important metamorphic rock. What feature does gneiss show that is so important?

a)

It Shows Layers

b)

It Shows Banding

c)

It Shows Cleavage

d)

It Shows Fracture

32.
This pink and black striped rock can be classified as
a)
foliated metamorphic
b)
unfoliated metamorphic
c)
clastic sedimentaary
d)
organic sedimentary
33.
Where is magma?
a)

inside the earth

b)

on the crust

34.

Where can you find lava?

a)

inside the earth

b)

on the crust

35.
How can a metamorphic rock change form into an igneous rock? The rock would....
a)
melt and then cool
b)
undergo heat and pressure
c)
chicken
36.

The best answer for section "A" in the diagram

a)

metamorphic/melting

b)

compaction/cementation

c)

weathering/erosion

d)

heat/pressure

37.

The process during which rocks are formed, change, wear down, and are formed again over long periods of time

a)

Erosion

b)

Weathering

c)

Deposition

d)

Rock Cycle

38.

Mantle convection is the very slow creeping motion of Earth’s solid silicate mantle caused by convection currents carrying heat from the interior to the planet's surface.

a)

Lithosphere

b)

Earthquake

c)

Convection Currents

d)

Core

39.
What is a mass extinction?
a)
When all the species in a particular area on earth suddenly go extinct
b)
When multiple species from all over the earth suddenly go extinct 
c)
When one species goes extinct due to habitat changes
d)
When all life on earth is wiped out 
40.

There have been 5 mass extinctions in Earth's history. Which of the following answer choices was a cause of these extinctions?

a)

increased carbon dioxide (CO2) levels in the atmosphere

b)

an asteroid impact

c)

melting of glaciers and rising sea levels

d)

widespread volcanic activity

e)

All of them

41.

Where do convection cycles happen?

a)

core

b)

mantle

c)

crust

42.
Fossils can provide evidence of how life has changed over time, how Earth's surface has changed, and clues about what past environments were like.
a)
True
b)
False
43.

Buoyancy is the ability to

a)

Sink

b)

Float

44.

An object will sink in water if it...

a)

is more dense than water

b)

is less dense than water

c)

has the same density as water

45.

In iceberg floats in the ocean. The ice must be ________ than the liquid water.

a)

less dense

b)

more dense

46.

Plates are moving _____ each other at a convergent boundary.

a)

away

b)

towards

c)

past

47.

Plates are moving _____ from each other at a divergent boundary.

a)

away

b)

towards

c)

past

48.

Plates are moving _____ each other at a transform boundary.

a)

away

b)

towards

c)

past

49.

Which geologic landform is formed from a convergent continental/oceanic boundary?

a)

mid ocean ridge

b)

ocean trench

c)

mountain range

d)

fault

50.
Mountains are created when....
a)
Two continental plates collide
b)
Two oceanic plates pull apart
c)
An Oceanic plate subducts under a Continental Plate
d)
Two continental plates pull apart
51.
What geologic feature/event would you most likely to find at a divergent boundary between two pieces of continental crust?
a)
Mid-Ocean Ridge
b)
Mountain
c)
Rift Valley
d)
Island Arc
52.

A divergent boundary in the ocean creates what feature?

a)

Mid Ocean Ridge

b)

Rift Valley

c)

Deep Ocean Trench

d)

Subduction Zone

53.

The process that occurs at a divergent oceanic boundary that creates new crust (sea floor) is called?

a)

Subduction

b)

Seafloor Spreading

c)

Continental Drift

d)

Volcanism

54.

Aside from Earthquakes, what is the only thing you will find at transform boundaries?

a)

Volcanoes

b)

Subduction Zones

c)

Folded Mountains

d)

Fault lines

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