Restless Earth

How long ago was earth formed?

• 4.5 billion years ago

• 5.4 billion years ago

• 10 million years ago

• 5.4 million years ago

The outside layer of the earth is called the ?

The large landmasses on earth's surface are also called ?

• Land

• Continents

• Countries

How think can the crust of the earth be ?

• 100-150 km thick

• 20-40 km think

• 50-100 km thck

• 10-60 km thick

How hot it the mantle ?

• 1000 °C

• 10,000 °C

• 5,000 °C

• 4,000 °C

What is found in the mantle and moves the plates that are on the crust?

What type of plate boundary is this?

• Transform

• Destructive

• Constructive

• Passive

What s this type of plate boundary called?

True or False, the Nazca plate and South American plate are colliding and pushing against each other

• True

• False

What happens are transform plate boundaries?

• Fold mountains

• Volcanoes

• Mid-ocean ridges

• Earthquakes