Earths Surface
Rock
Continental Drift
Seafloor
100

How are physical landforms developed?

Constructive forces cause physical features on Earth’s surface known as landforms to grow.

100

What does igneous rock from?

Magma

100

What is a topographic map? 

Shows hills, valleys, streams, slopes etc.

100

Are there mountain ranges, rifts and trenches in the Seafloor?

True

200

What are Volcanic forces called?

Destructive forces.

200

What is the texture of a rock formed from?

How the magma cools. 

200

Who was Alfred Wegener?

Born in the 1880 was a meteorologist that discovered drifts. 

200

What is the name of the 4 billion old crust?

Continental Crust

300

How young are ocean basins?

Younger than 180 million years.

300

What is rhyolite, how does it form?

Rock that cools rapidly.

300

What did Wegener find evidence of?

That all continents were joined at one time.

300

Can seafloors switch magnetic polarity?

Yes

400

What is the mountain range called in the ocean?

mid-ocean ridge

400

What is an example of a rock cooled slowly?

Granite

400

What did Wegener call earth 300 million years ago?

Supercontinent.

400

What was a glass top guyot?

Was an erupting volcano in the sea. 

500

Does Earths surface constantly change?

Earth’s surface changes over short and long periods of time.

500

What is sedimentary rock?

Made from sediments

500

What direction does the earths magnetic field surround?

From pole to pole

500

How can you tell the age of the seafloor?

The distance from the crest.