Forces and landforms

The theory that say the earth's crust is broken up into moving plates is called what?

• earthquake theory

• crust pieces

• plate tectonics

• plate movement

Continental Drift theory proposed that there was once one large supercontinent called what?

• All Earth

• Pangaea

• Super Eurasia

• Middle Earth

This theory creates much younger rocks near plate boundaries on the ocean floor.

• plate tectonics

• volcanic activity

• seafloor spreading

• ocean trench creation

Convection is the force that is believed to do what?

• create valleys

• create mountains

• cause plate movement

• lead to climate change

A divergent plate boundary is where plates do what?

• slide next to each other

• spread apart from each other

• run into each other

At a convergent plate boundary what is one thing that can happen?

• large mountains get pushed up

• volcanoes can form

• A and B

At a transform boundary plates do what?

• slide past one another

• spread apart from each other

• run into each other

What is this map of volcanoes on plate boundaries around the Pacific called?

• Pacific fire land

• Fire in the sky

• Volcano alley

• Ring of Fire

When water freezes and expands to crack rock that is an example of what?

• chemical weathering

• mechanical weathering

• erosion

Carbon dioxide and what usually combine to cause chemical weathering?

• water

• wind

• glaciers

• soil