Show:
True/False
Definition/Vocab.
Earthquakes/Earth
Volcanoes
Challenge 0.o
100

Convergent boundaries can form folded mountains, because plates collide into each other.

TRUE

100
What is Pangaea?
Pangaea is the name of the supercontinent from 200 million years ago.
100

Is the Earth's surface always changing?

Yes, the Earth's surface is always changing.

100
What creates new ocean crust?
Magma creates new ocean crust.
100
What number on the earthquake scale is the worst?
10. Means an earthquake caused very severe damage.
200

Conduction currents in the mantle causes Earth's tectonic plates to move.

FALSE, CONVECTION currents

200
What is CONTINENTAL DRIFT?
CONTINENTAL DRIFT is the movement of the Earth's continents.
200

What are used to measure the waves of an earthquake?

A seismograph

200
Does carmel have a higher VISCOSITY than water?
Yes, carmel has a higher VISCOSITY than water.
200
What can earthquakes cause?
Destroyed homes, boats in wrong places, power outage, tsunami's, ect.
300
Stress only relate to people. True or false?
False! Earthquakes are caused by stress.
300

What is the difference between magma and lava?

Magma is hot, molten rock under the Earth's surface, and lava is when it has reached the Earth's surface.

300

A break in the Earth's crust is called....?

A fault

300
What is the "RING OF FIRE?"
The "RING OF FIRE" is where 75% of the volcanoes are.
300
Are volcanoes always slow moving when they erupt?
No, sometimes when a volcano erupts the magma can move fast or slow.
400

Two types of crust are continental and oceanic crust. True or false?

True!

400

What are transform boundaries?

When the Earth's plates slide past each other, potentially creating a fault.

400

Which type of earthquake wave is the most destruction?

Surface waves

400
What helps create magma?
Water, pressure and temperature create magma.
400

What is the name of the largest volcano in the US?

Mauna Loa in Hawaii

500
Two types of evidence that support the CONTINENTAL DRIFT theory are fossils and rock types. True or false?
True!
500

What is VISCOSITY?

VISCOSITY is the  resistance to flow.

500

What are the 3 types of seismic waves?

S waves, P waves and surface waves

500

Can Hawaiian volcanic islands migrate?

Yes, Hawaii's volcanic islands are migrating northwest at a rate of 8-9cm per year.

500

What is the most active volcano in the US?

Mt. St Helens in Washington