Continental Drift Theory

Multiple Choice

Which of the following best describes the classroom expectations under the CHAMPS model?

• Students should talk freely and move around the room.

• Students should raise their hand for help and participate by listening and writing.

• Students should work in groups and ask questions aloud.

• Students should only listen and not write anything.

Multiple Choice

Which supercontinent existed about 250 million years ago according to the Continental Drift Theory?

• Pangea

• Laurasia

• Gondwanaland

• Eurasia

Multiple Select

What evidence did Alfred Wegener use to support his theory of continental drift? Select all 3 that apply.

• Matching fossils on different continents

• Similar rock types and structures

• Ancient climates

• Modern satellite images

Fill in the Blanks

The theory that the earth's crust is divided into plates that move due to forces inside the earth is called the

Theory.

Multiple Select

Which of the following are major tectonic plates shown on the map?

• Pacific Plate

• African Plate

• Eurasian Plate

• Nazca Plate

Multiple Choice

What type of evidence is provided by the presence of ancient glacier grooves in present-day continents?

• Climatic

• Biological

• Volcanic

• Seismic

Multiple Choice

Based on the fossil evidence shown, what does the distribution of Glossopteris fossils across multiple continents suggest about Earth's past?

• The continents were once joined together

• Glossopteris could fly across oceans

• The climate was the same everywhere

• Fossils can form only in cold regions

Fill in the Blanks

Seafloor spreading occurs when the seafloor moves away from a

in the crust.

Multiple Choice

Which of the following statements about the asthenosphere is correct?

• It is solid and does not flow

• It is responsible for the movement of lithospheric plates

• It is colder than the lithosphere

• It prevents magma from reaching the surface

Multiple Choice

What did scientists discover about the age of rocks near the spreading center compared to those farther away?

• The youngest rocks are near the spreading center and the oldest rocks are farther away.

• The oldest rocks are near the spreading center and the youngest rocks are farther away.

• All rocks are the same age regardless of location.

• There are no rocks near the spreading center.

Fill in the Blanks

The process of magma cooling and 'locking in' the direction of Earth's magnetic field is known as

.

Multiple Choice

Which of the following statements about magnetic polarity patterns on the seafloor is correct?

• The pattern of magnetic polarity is symmetrical on both sides of the spreading center.

• The pattern of magnetic polarity is random on both sides of the spreading center.

• Only one side of the spreading center shows magnetic polarity.

• Magnetic polarity does not change across the seafloor.

Multiple Choice

What might Earth's continents look like 120 million years in the future according to the theory of continental drift?

• They will form a single supercontinent.

• They will remain in their current positions.

• They will be evenly distributed across the globe.

• They will all move toward the North Pole.

Open Ended

What is one question you still have about continental drift or plate tectonics after today's lesson?