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Earthquakes, volcanoes & plate tectonics

Total questions: 35

Worksheet time: 46mins

Name
Class
Date
1.

Non-explosive, gently sloping volcano made of flat layers of lava

a)

Cinder cone

b)

Shield

c)

Composite

d)

Transform

2.

Theory that Earth's crust is divided into plates & the plates move around on the mantle

a)

Seafloor spreading

b)

Plate tectonics

c)

Continental drift

d)

Earthquakes

3.

Theory that magma rises to surface at mid-ocean ridge & cools to form new seafloor

a)

Continental drift

b)

Plate tectonics

c)

Volcanoes

d)

Seafloor spreading

4.

Boundary between two plates moving toward each other

a)

Transform fault boundary

b)

Divergent boundary

c)

Convergent boundary

d)

Strike-slip fault

5.

Shaking of the ground caused by sudden movement of large blocks of rocks along a fault

a)

Earthquake

b)

Volcano

c)

Tsunami

d)

Surface waves

6.

In an earthquake, the point underground where the rocks first begin to move

a)

Epicenter

b)

Normal fault

c)

Focus

d)

Reverse fault

7.

These waves move along Earth's surface & cause the most damage

a)

Surface waves

b)

Primary waves

c)

Secondary waves

d)

D waves

8.

The point on Earth's surface directly above the focus of an earthquake

a)

Juan de fuca plate

b)

Focus

c)

Seismic wave

d)

Epicenter

9.

Fastest seismic waves, first to reach a location after an earthquake, also called P waves

a)

Secondary waves

b)

Seismic waves

c)

Primary waves

d)

Surface waves

10.

Small, steep-sided volcanoes made of loosely packed layers of tephra, very explosive eruptions

a)

Cinder cone volcano

b)

Shield volcano

c)

Composite volcano

d)

Mauna Loa volcano

11.

Boundary between 2 plates that are sliding past one another

a)

Transform fault boundary

b)

Convergent boundary

c)

Divergent boundary

d)

Reverse fault

12.
What is represented by the picture? 
a)
Sea-floor spreading
b)
Pangea
c)
How the continents are arranged today
d)
Volcanoes
13.
When magma reaches the surface, what is it called?
a)
lava
b)
explosive
c)
rocks
14.
What is the crust that makes up the ocean floor called?
a)
oceanic crust
b)
crust
c)
continental crust
15.
The place where old crust is pushed down into a trench is called what?
a)
subduction
b)
convection current
c)
deep-ocean trench
16.

When a two continental plates push against each other it causes what to be formed ?

a)

Mountains

b)

Trenches

17.

When a two plates move away from each other at a divergent boundary it causes sea floor to do what ?

a)

Sea floor spreading

b)

Sea floor shrinking

18.

When a two plates slide past each other at a transform boundary is causes an

a)

Earthquake

b)

Sea floor shrinking

19.
The image shows the Mid Atlantic Ridge. Which type of boundary occurs at this ridge where the ocean floor is spreading apart? 
a)
convergent
b)
divergent 
c)
transform fault
20.
If the focus of an earthquake occurs beneath the sea floor, as the seismic waves travel through the ocean, they create a massive and destructive
a)
epicenter
b)
tsunami
c)
focus
d)
mountain
21.

Where are most volcanoes located?

a)

at divergent boundaries, transform boundaries, and hot spots

b)

at convergent boundaries, divergent boundaries, and hot spots

c)

at convergent boundaries, hot spots, and transform boundries

d)

at divergent boundaries, convergent boundaries, and transform boundaries

22.

This is a diagram of a soil triangle. Farmers can use this chart to identify the type of soil found on their land and determine the likelihood of erosion and other important factors. What type of soil does a farmer have if the coil contains 40% sand, 40% silt, and 20% clay?

a)

clay

b)

loam

c)

silty loam

d)

sandy loam

23.

What would be most effective in minimizing the potential damage caused by an earthquake?

a)

installing sirens in areas prone to earthquakes

b)

building structures that withstand ground vibrations

c)

increasing the amount of concrete during road building

d)

requiring the recycling of metal and wood products

24.

Bedrock that is closer to oceanic ridges is younger in age than bedrock that is farther away. What can best be concluded from this information?

a)

The shape of Earth's lithosphere is continually changing.

b)

The moment of continental plates is caused by volcanic eruptions

c)

The oceans are becoming deeper and warmer as more rocks are produced.

d)

The rocks on the ocean floor are producing tectonic plates that are converging

25.
Cracks in rocks widen as water in them freezes and thaws. How does this affect the surface of the Earth?
a)
It reduces the rates of soil formation.
b)
It changes the chemical composition of the rocks.
c)
It exposes rocks to increased rates of erosion and weathering.
d)
It limits the exposure of rocks to acid precipitation.
26.
Which will most likely form when movement along a plate boundary forces a landmass to be pulled apart?
a)
volcanic island arc
b)
continental mountains
c)
continental rift
d)
oceanic trench
27.
Which will most likely occur before a volcanic eruption?
a)
an increase in acid rain production
b)
an increase in earthquake activity
c)
an increase in lava flow
d)
an increase in mud flow
28.
How do weathering and erosion affect Earth’s surface?
a)
Both force tectonic plates to move across the ocean floor.
b)
Both cause sedimentary rocks to form igneous rocks.
c)
Both cause mountain ranges to become taller.
d)
Both break down rocks and create new soil.
29.
How can oil and natural gas be extracted from the earth?
a)
by digging in areas of volcanoes
b)
by drilling deep beneath the ground
c)
by strip-mining in mountainous areas
d)
by removing limestone deposits from the ground
30.
 A mid-ocean ridge forms at a 
a)
colliding/convergent boundary
b)
spreading/divergent boundary. 
c)
sliding/ transform boundary.
d)
Deep-ocean trench 
31.
Layers of soil are also known as:
a)
Soil Profiles
b)
Soil Horizons
c)
Soil sheets
d)
Soil cores
32.
How is Igneous rock formed?
a)
Cooled magma or lava
b)
Weathering and erosion
c)
Compaction and Cementation
d)
Heat and Pressure under the Earth's surface
33.
what is the rock cycle.
a)
molten rock that is stored underground.
b)
rock material that forms where rocks are broken down into smaller pieces.
c)
a process that changes one type of rock into another type of rock.
34.
The area around the Pacific Ocean where lots of earthquakes and volcanoes happen is called the ____________.
a)
Ring of Earth
b)
Ring of Fire
c)
Ring of Stone
d)
Ring of Diamond
35.

These rocks are often foliated, meaning they have layers.

a)

Sedimantary

b)

Sediment

c)

Metamorphic

d)

Igneous