Plate Motion - Lesson 1 Quiz

First and Last Name

Which statement best describes Earth's outer layer?

• Earth's outer layer is a combination of hard, solid rock, and a soft, solid material.
• Earth's outer layer is made up of hard, solid rock.
• Earth's outer layer is made up of hard solid rock, water, or ice. It depends on where you are.
• Earth's outer layer is made up of a soft solid material.

A team is drilling underground at sites 1 and 2. Where will they find hard, solid rock? Check all that apply.

• Below site 1
• Below site 2
• Under neither site

Which is the best definition of "plate" as used in this unit?

• The small pieces of solid rock that float in the ocean, forming islands and continents.
• The single, undivided sheet of hard, solid rock that covers the planet.
• The parts of Earth's outer layer that rise up above the ocean water.
• One of the large sections of hard, solid rock that make up Earth's outer layer.

What is a plate boundary?

• The only location on Earth where earthquakes are possible.
• The place where two plates meet.
• The single point where Earth's plates have motion.
• Long lines on the ground that cause the plates to move.

An earthquake is . . .

• the reason that plates have motion.
• the slow plate motion that is constantly happening to the plates.
• a mild geologic hazard.
• the sudden shaking of Earth's surface.

Geologists look for __________ in geologic events and landforms to better understand Earth's outer layer.

• patterns
• solutions
• unexpected changes
• fossils

Earthquakes are caused by plate motion. The plates are constantly moving, and this sometimes causes sudden shaking at the surface.

• True
• False

A diagram that shows what the inside of something looks like is called a . . .

• core sample
• landform
• model
• cross section

The layer of hard, solid rock that is underneath the soil, vegetation, and water is called . . .

• core
• outer layer
• landform
• mantle