Plate Motion

Plate Motion @Home Lesson 11 Slides

Multiple Choice

What did Alfred Wegener, use as evidence for his hypothesis that the continents moved apart?

• shape of continents and fossils

• the direction of ocean currents

• theory of gravity

Multiple Choice

An idea that has a lot of evidence that many scientists have gathered over a long time.

• destination imagination

• scientific theory

• fossil research

Poll

Which claim do you believe?

• Claim 1: The South American Plate and African Plate moved apart suddenly (fast).

• Claim 2: The South American Plate and African Plate moved apart gradually (slow).

Multiple Choice

All the Mesosaurus lived about 300 million years ago in the same place, NOW the fossils are found:

• All together in the same place

• Separated in different areas

Poll

Has enough time passed for the Mesosaurus fossils to be separated as far as they are now? Why or why not?

• Yes!

• No!

Multiple Choice

The plate boundary between the South American Plate and African Plate has the patterns consistent with a

• divergent plate boundary

• convergent plate boundary

Multiple Choice

Which claim does our evidence support?

• Claim 1: The South American Plate and African Plate moved apart suddenly (fast).

• Claim 2: The South American Plate and African Plate moved apart gradually (slow).

Multiple Choice

A long, deep indentation in the ocean floor formed when two plates move together.

• Plate Boundary

• Mid-Ocean Ridge

• Trench

• Cross-Section

Multiple Choice

An underwater mountain range formed when two plates move apart.

• Plate Boundary

• Mid-Ocean Ridge

• Trench

• Cross-Section

Multiple Choice

Moving toward the same place.

• Convergent

• Divergent

• Plate Boundary

• Plate

Multiple Choice

Moving apart in different directions

• Convergent

• Divergent

• Plate Boundary

• Plate

Multiple Choice

How often or fast something happens.

• Rate

• Rifting

• System

• Trench

Multiple Choice

The place where two plates meet.

• Plate

• Continent

• Plate Boundary

• Landform

Multiple Choice

Do the plates move quickly or slowly?

• Quickly

• Slowly

Multiple Choice

The Mid-Ocean ridge is an underwater mountain range formed from what type of plate boundary?

• Divergent

• Convergent

• Transform

Multiple Choice

An oceanic trench is caused by what kind of plate boundary?

• Divergent

• Convergent

• Transform

Multiple Choice

A diagram that shows what the inside of something looks like

• Cross Section

• Model

• Fossil

• System

Multiple Choice

What is responsible for the movement of tectonic plates?

• Oceans

• Gravity

• Mantle

• Wind