Which of the following is a piece of evidence Alfred Wegener used to support the Continental Drift Theory?

The similarity in the shapes of the coastlines of South America and Africa

The difference in ocean temperatures around the world

The rotation of the Earth on its axis

The presence of deserts on multiple continents

Which of the following is a result of two continental plates colliding at a convergent boundary?

Formation of large mountain ranges

Formation of a deep ocean trench

What type of fossils did Alfred Wegener find on multiple continents as evidence for Continental Drift?

Identical fossils of the same plants and animals found on continents now separated by oceans

Fossils of sea creatures found only in the ocean

Fossils of dinosaurs found only in North America

Fossils of fish found only in freshwater lakes

A student is studying two continents that were once part of Pangea. They notice that the same type of tropical plant fossils are found in both Antarctica and India. Using your knowledge of Continental Drift Theory, what is the best explanation for this evidence?

Antarctica and India were once located in a warmer climate and were connected as part of Pangea

The plants must have floated across the ocean on logs

The fossils were carried by birds from one continent to another

The climate of Antarctica has always been tropical

A scientist discovers matching rock formations and mountain ranges on the eastern coast of North America and the western coast of Europe. How does this evidence support Alfred Wegener's Continental Drift Theory, and what does it suggest about the history of these two continents?

It suggests that North America and Europe were once part of the same landmass and have since drifted apart

It suggests that the rocks were formed at the same time by underwater volcanoes and have no connection to continental drift

It suggests that the two continents have always been in their current positions but share similar geology by coincidence

It suggests that the rocks were transported by ocean currents from one continent to the other

Two tectonic plates are moving toward each other, and one plate is oceanic while the other is continental. Using your knowledge of plate boundaries, predict what will most likely happen and what landform could result from this interaction.

The oceanic plate will subduct beneath the continental plate, potentially forming a volcanic mountain range along the coast

Both plates will bounce off each other and move in opposite directions, forming a mid-ocean ridge

The continental plate will subduct beneath the oceanic plate, forming a deep ocean trench far from land

The two plates will slide past each other, causing frequent earthquakes but no new landforms

A student argues that the Continental Drift Theory should be rejected because the continents appear to be stationary and do not visibly move. How would you use scientific evidence to counter this argument and support the theory?

Explain that continents move extremely slowly over millions of years, and evidence such as matching fossils, rock formations, and coastline shapes across different continents supports the theory

Agree with the student because if we cannot see the continents moving, the theory must be wrong

Argue that the continents only move during earthquakes and that is the only evidence needed

Suggest that the continents move quickly but only at night when no one can observe them

The Himalayan Mountains were formed when the Indian plate collided with the Eurasian plate. Based on your understanding of plate boundaries and their results, which type of boundary caused this and why are the Himalayas still growing taller today?

A convergent boundary caused the Himalayas to form, and they continue to grow because the two continental plates are still slowly colliding and pushing rock upward

A divergent boundary caused the Himalayas to form, and they are growing because the plates are moving apart and pushing rock upward

A transform boundary caused the Himalayas to form, and they are growing because the plates continue to slide past each other

A subduction boundary caused the Himalayas to form, and they are growing because the Indian plate is sinking beneath the Eurasian plate

Scientists studying the Mid-Atlantic Ridge notice that new seafloor is constantly being created as magma rises and solidifies. Using your knowledge of plate boundaries, explain what type of boundary this is and predict what will happen to the Atlantic Ocean over millions of years if this process continues.

This is a divergent boundary, and the Atlantic Ocean will grow wider over millions of years as the plates continue to move apart

This is a convergent boundary, and the Atlantic Ocean will shrink as the plates push together and form mountains

This is a transform boundary, and the Atlantic Ocean will stay the same size as the plates slide past each other

This is a subduction boundary, and the Atlantic Ocean will disappear as one plate sinks beneath the other

Consider the following scenario: A region experiences frequent and powerful earthquakes along a fault line where two plates are sliding horizontally past each other. Using your knowledge of plate boundaries, identify the type of boundary and evaluate why this region is prone to earthquakes but does not typically produce volcanoes or mountain ranges.

This is a transform boundary; earthquakes occur because of the friction and stress as the plates grind past each other, and no volcanoes or mountains form because there is no subduction or collision

This is a convergent boundary; earthquakes occur because the plates are colliding, and volcanoes do not form because there is no subduction

This is a divergent boundary; earthquakes occur because the plates are pulling apart, and no mountains form because there is no collision

This is a subduction boundary; earthquakes occur because one plate is sinking, and no volcanoes form because the temperature is too low

Alfred Wegener proposed the Continental Drift Theory in 1912, but many scientists rejected his idea at the time. Analyze why scientists may have initially rejected Wegener's theory and what type of evidence would have made his argument stronger.

Scientists rejected the theory because Wegener could not explain the mechanism or force that caused the continents to move; evidence of seafloor spreading and the discovery of tectonic plates later provided the missing explanation

Scientists rejected the theory because Wegener was not a geologist, and the only evidence that would have helped is eyewitness accounts of continents moving

Scientists rejected the theory because the fossil evidence was fabricated, and better photographs of the continents would have helped

Scientists rejected the theory because Pangea was too large to have existed, and smaller supercontinents would have been more believable

What happens at a transform plate boundary?

Two tectonic plates slide against each other.

Two tectonic plates pulls away from one another.

Two tectonic plates push towards one another.

Which statement BEST explains the theory of tectonic plates?

Earth's plates move slowly over time.

Earth's plates have always been spread apart.

Earth's plates are moving closer together.

Earth's plates have never, ever moved.

Exploring Continental Drift and Plate Tectonics

Authored by Rachel Ureta

Science

7th Grade

NGSS covered

Exploring Continental Drift and Plate Tectonics

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the supercontinent that Alfred Wegener proposed existed about 300 million years ago?

Gondwana

Laurasia

Pangea

Rodinia

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the supercontinent that Alfred Wegener proposed existed about 300 million years ago?

Gondwana

Laurasia

Pangea

Rodinia

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who proposed the Continental Drift Theory in 1912?

Charles Darwin

Alfred Wegener

Isaac Newton

Harry Hess

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the Continental Drift Theory state?

The continents have always been in their current positions

The continents were once joined together and have slowly moved apart over millions of years

The oceans were formed by melting glaciers

The Earth's crust is made of a single solid piece

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of plate boundary occurs when two tectonic plates move away from each other?

Convergent boundary

Transform boundary

Divergent boundary

Subduction boundary

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of plate boundary occurs when two tectonic plates collide with each other?

Divergent boundary

Transform boundary

Convergent boundary

Rift boundary

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At a transform plate boundary, how do the two plates move relative to each other?

They move toward each other

They move away from each other

They slide past each other horizontally

One plate sinks beneath the other

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Exploring Continental Drift and Plate Tectonics

What is the name of the supercontinent that Alfred Wegener proposed existed about 300 million years ago?

What is the name of the supercontinent that Alfred Wegener proposed existed about 300 million years ago?

Who proposed the Continental Drift Theory in 1912?

What does the Continental Drift Theory state?

Which type of plate boundary occurs when two tectonic plates move away from each other?

What type of plate boundary occurs when two tectonic plates collide with each other?

At a transform plate boundary, how do the two plates move relative to each other?

Which of the following is a piece of evidence Alfred Wegener used to support the Continental Drift Theory?

What are the large sections of Earth's crust and upper mantle that move around called?

Which of the following landforms is commonly formed at a divergent plate boundary?

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