"A Changing Earth" Review

What force has caused the fastest change in Earth’s environment in the last 50 years?

• erosion

• human actions

• weathering

• volcanic eruptions

(a)   continents are found on Earth. (answer with a number)

Which of the following moves over Earth's mantle, creating changes of Earth's surface features?

• faults

• continents

• tectonic plates

• tsunamis

Where is the Ring of Fire located?

• the Atlantic Ocean

• the Pacific Ocean

• the Caribbean Sea

• Bay of Bengal

Tectonic plates grinding against one another creates a ​ (a)   .

• fault
• tectonic rift
• continent
• glacier

We live in the ​ (a)   of North America

• continent
• country
• tectonic plate
• glacier

Earthquakes can trigger a ​ (a)   , a giant ocean wave.

• tsunami
• erosion
• volcano
• glacier

The process in which parts of rock are moved elsewhere as the result of wind, rain, or ice is called ​ (a)   .

Earth's landforms wear away over time as a result of wind, rain, and flowing water in a process known as​ (a)   .

• weathering
• erosion
• tectonics
• earthquakes

How long does it take plates to move enough to create landforms?

• thousands of years

• hundreds of years

• millions of years

• about a hundred years