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WorksheetsPre-Test G7
Total questions: 84
Worksheet time: 1hrs 11mins
Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that
the oceanic crust is melting.
the denser ceanic crust is subducting under the less dense oceanic crust
volcanic islands are forming.
the tectonic plates are moving away from each other.
Most geologists think that the movement of Earth’s plates is caused by _______
convection.
continental drift.
subduction.
conduction.
The place where two plates come together is known as a _______
transform boundary.
divergent boundary.
convergent boundary.
rift valley.
Below is a picture of sea-floor spreading. How are the ocean crusts moving?
Converging
Diverging
Sliding
No movement
What type of boundary is shown in the diagram?
Divergent
Convergent
Slide/Transform
Observe this diagram of a plate boundary. One statement BEST describes what is happening. It is that
the oceanic crust is melting.
the denser ceanic crust is subducting under the less dense oceanic crust
volcanic islands are forming.
the tectonic plates are moving away from each other.
The North American plate and Pacific plates meet at the San Andres Fault in California causing frequent earthquakes. This fault is located at a _____ boundary.
Ridge
Divergent
Convergent
Transform
Which oceanic plate in the above picture must be more dense? LEFT RIGHT
The plate on the left (the plate with the volcano on it)
The plate on the right (without the volcano)
What forms when two CONTINENTAL plates CONVERGE?
Rift Valley
Mid Ocean Ridge
Mountains
Volcanoes on land and ocean trench
What are these plates doing?
Diverging
Converging
Forming a transform boundary
Study this diagram carefully, noticing the direction of the arrows.The green bars are tectonic plates.What will happen at the place where the star is drawn on this diagram?
The plates will slide past each other (causing a major earthquake)
The plates will hit each other (one will subduct)
The plates will diverge (spread apart)
What are these plates doing?
Converging
Diverging
Forming a transform boundary
What are these plates doing?
Converging
Diverging
Forming a transform boundary
What type of event will occur at this boundary?
Earthquake
Volcano Eruption
Tornado
Mountain Building
divergent boundary
convergent boundary
transform boundary
divergent boundary
convergent boundary
transform boundary
divergent boundary
convergent boundary
transform boundary
This type of boundary does NOT involve magma.
divergent
convergent
transform
This type of boundary can be found along the San Andreas fault in California....
divergent
convergent
transform
New crust is formed at this type of boundary
divergent
convergent
transform
This type of boundary creates folded mountains.
transform
divergent
continental-continental convergent
continental-oceanic convergent
This feature can be found along a divergent boundary
mid-ocean ridge
folded mountains
deep sea trench
At which of these boundaries would you find a deep sea trench?
transform
divergent
oceanic-oceanic convergent
Volcanoes are formed when which type of crust subducts under another plate?
continental
oceanic
magma
Which feature is formed when two oceanic plates collide?
mid-ocean ridge
volcanic island arc
folded mountains
Magma that erupts out of volcanoes comes from.....
melted transform crust
melted oceanic crust
melted continental crust
When oceanic and continental crust collide what feature would form?
volcanic island arc
folded mountain
volcanoes on the continent
Subduction means.....
one plate goes under another plate
two plates slide past each other
two plate collide and form folded mountains
The process that causes the tectonic plates to move is called.....
subduction
transform
convection
Sea-floor spreading explains how.....
new crust is created at a divergent boundary
volcanoes are formed on continents
deep sea trenches are formed
divergent plates move
away fro each other
towards each other
slide past each other
convergent plates move
towards each other
away from each other
past each other
At a transform boundary the plates.....
collide
diverge
slide past each other
Identify this type of plate movement
Divergent Boundary
Convergent Boundary
Transform Boundary
None
This scientist was the first to develop the idea of continental drift.
Wegener
Einstein
Copernicus
Hawking
Around 200 – 250 million years ago ______ started to break into separate plates.
Oceans
China
Pangea
None
Two plates moving or sliding by each other.
Divergent Boundary
Convergent Boundary
Transform Boundary
None
The spread of molten rock comes up from through cracks and creates new oceanic crust
Divergent Boundary
Convergent Boundary
Transform Boundary
None
What is the Theory of Continental Drift?
Earth's continents do not move.
Earth's continents moved in the past and continue moving today.
Earth's continents will eventually fall off the planet.
What is the name for the large landmass of all the continents that formed 175 million years ago?
Pangaea
Laurasia
United Continents
What piece of evidence for Continental Drift states that the continents fit together like puzzle pieces?
Continent Shape
Fossil/Climate Evidence
Landform/Rock Evidence
Glacial Evidence
What piece of evidence for Continental Drift states that the same plant and animal fossils are found on continents separated by oceans.
Continent Shape
Fossil/Climate Evidence
Landform/Rock Evidence
Glacial Evidence
What piece of evidence for Continental Drift states that similar types and ages of rocks are found on different continents?
Continent Shape
Fossil Evidence
Rock Evidence
Glacial Evidence
What piece of evidence for Continental Drift states that glacial deposits and glacial scarring are found on continents with warm climates today.
Continent Shape
Fossil/Climate Evidence
Landform/Rock Evidence
Glacial Evidence
______________ is the breaking down of rock material by physical and chemical processes.
Weathering
Erosion
Deposition
Sedimentary Exchange
_____________ weathering is the breaking down of rocks by chemical reactions.
Chemical
Physical
Deposition
Erosion
Which of these terms describes the process of acid rain wearing out limestone?
deposition
chemical weathering
physical weathering
erosion
Which of these is an example of erosion?
light shining onto a mountain
wind blowing away sediment
rain breaking down rock
all options are correct
This is an example of _____________________________.
physical weathering
chemical weathering
In the pictures below, choose a picture that shows chemical weathering of rock.
In the pictures below, choose a picture that shows physical weathering of rock that has abrasion caused by wind.
Identify the change happening in each situation.
Minerals in rock dissolve.
physical weathering
chemical weathering
Identify the change happening in each situation.
Earthworms makes tunnels in the ground which may lead to the breakdown of rocks.
physical weathering
chemical weathering
Which of the following is not a type of rock?
Igneous
Weathering
Sedimentary
Metamporphic
Which type of rock are intrusive and extrusive associated with?
Metamorphic
Sedimentary
Igneous
Sandstone
Weathering means to?
Wind up
Break down
Roll Over
Jump Up
What is needed for Metamorphic rock to form?
Heat and Pressure
Weathering
Compacting
Magma
Which choice is a sedimentary rock?
Granite
Basalt
Conglomerate
Marble
Which choice is an igneous rock?
Shale
Limestone
Sandstone
Granite
Which type of rock will form large crystals?
Sedimentary
Metamorphic
Intrusive Igneous
Extrusive Igneous
Giant ocean waves are called?
epicenter
seismic wave
focus
tsunami
The scale, which numbered 1-10, that measures the strength or magnitude of an earthquake.
pH scale
Richter Scale
Mercalli Scale
Hardness Scale
What scale is used to measure Earthquakes?
Richter Scale
Saffir-Simpson Scale
Fujita Scale
Seismoscale
Which statement is true of earthquakes?
All of them can be prevented.
Weak ones can be prevented.
Some of them can be prevented.
None of them can be prevented.
What is one hazard that can be cause by a volcanic eruption?
tornadoes
air pollution
weathering of rocks
blizzards
Where do most volcanoes occur?
in the center of the ocean
in the centers of continents
along boundaries between continents
along boundaries between continents and the ocean
A huge storm with high wind speeds that forms over an ocean
volcano
earthquake
hurricane
flood
An alert which can predict tornado is
warning
red alert
watch
broadcast
A ____ is an intense tropical storm with winds exceeding 119 km/h
hurricane
tornado
drought
flood
A tornado watch means?
The conditions are right for a tornado, but it is not occurring yet.
A tornado is occurring
A tornado has passed through and it is now safe to go outside.
It is the season during which tornadoes occur.
The most powerful severe storm is the ____.
thunderstorm
tornado
hurricane
front
The figure shown is an illustration of a tornado.
True
False
A _____ occurs when a large volume of water overflows its boundaries.
tornado
hurricane
thunder
flood
What conditions are needed for a hurricane?
cold
snowing
warm
windy
A ____ is a violent, whirling column of air in contact with the ground.
Tornado
Hurricane
Flood
Thunderstorm
One of the best places to seek protection during a tornado is
in the attic
terrace
basement
floor top
Factors that cause flood are:
snowmelt
dam failure
volcanic eruption
all of the above
Droughts are caused by high-pressure systems that remain over an area for weeks or months
True
False
