Theory of Plate Tectonics Test Review

The movement of the lithospheric plates changes the number of continents on Earth. This change would be seen over _____________.

• millions of years

• centuries

• thousands of years

• decades

Geologic evidence shows that Earth's lithospheric plates can move thousands of kilometers across the Earth's surface. These movements _______________________

• occur in one sudden movement.

• occur due to human activity.

• occur gradually over millions of years.

• do not change the Earth's surface at all.

Which of Earth's layers is shown by the letter Y in the image above?

• Inner Core

• Outer Core

• Mantle

• Crust

Which of Earth's layers is shown by the letter Z in the image above?

• Inner Core

• Outer Core

• Mantle

• Crust

Which of Earth's layers is shown by the letter W in the image above?

• Inner Core

• Outer Core

• Mantle

• Crust

Which of Earth's layers is shown by the letter X in the image above?

• Inner Core

• Outer Core

• Mantle

• Crust

Which of the following is the densest layer of the solid Earth?

• Mantle

• Core

• Crust

Which of the following provides the most evidence for the theory of plate tectonics?

• the changing of the seasons

• the coloring of the city moths

• the spreading of the sea floor

• the locations of the glaciers

Which of the following lists Earth's compositional layers starting with Earth's center and ending with the outermost layer?

• crust, core, mantle

• mantle, crust, core

• crust, mantle, core

• core, mantle, crust

Which of Earth's layers is the thinnest?

• inner core

• outer core

• matle

• crust