Earth and Plate Tectonics Test

What is the composition of the crust?

• a. Silicon and magnesium

• b. Iron and nickel

• c. Oxygen and silicon

• d. Magnesium and iron

Continental crust is made up of what type of rock?

• a. Granite

• b. Soft rock

• c. Nickel

• d. Basalt

The order of the layers of the earth is determined by their

• a. Size

• b. Rock type

• c. Density

• d. Temperature

Convection currents can be found in what layer of the Earth?

• a. Lithosphere

• b. Inner core

• c. Asthenosphere

• d. Magma

What is the name of the portion of the Mantle that the crust floats on?

• a. Lithosphere

• b. Stratosphere

• c. Asthenosphere

• d. Troposphere

Which statement describes how convection currents move inside Earth.

• a. Hot materials rise, while cooler materials sink.

• b. Hot materials sink, while cooler materials rise.

• c. Hot materials move up or down, while cooler materials move sideways.

Which type of boundary creates the strongest earthquakes?

• a. Divergence

• b. Transform

• c. Convergence

What landform is being created at C?

• a. Crease

• b. Subduction

• c. Mid-ocean ridge

• d. Trench

What type of plates make up B?

• a. Continental

• b. Oceanic

• c. Divergent

• d. Transform

What landform is being created at A?

• a. Mid-ocean ridge

• b. Rift valley

• c. Trench

• d. Volcanic islands