Earth's Structures Test Review

Which part of Earth’s lithosphere is found mostly under water?

• core

• mantle

• oceanic crust

• continental crust

Which statement best describes oceanic crust and continental crust?

• Both are thick and dense.

• Both are thin and have low density.

• Oceanic crust is thin and dense, while continental crust is thicker and les

• Oceanic crust is thick and has low density, while continental crust is thin

What is one process that breaks down parent rocks so that soil can form?

• cementation

• deposition

• compaction

• weathering

What would one notice about Earth’s continental plates if observing those over a long period of time?

• They do not move.

• They are fast-moving.

• They are slow-moving.

• They combine into larger plates.

Jonah finds a rock that is smooth and without rough edges. What most likely caused the rock to weather?

• snow

• animal

• standing water

• moving water

Which factor is the most important for the formation of soil?

• climate

• organisms

• slope

• time

Near which location is an earthquake most likely to occur?

• the equator

• ocean basins

• crustal plate boundaries

• in the middle of a continent

Which statement explains the composition of Earth’s core?

• Both the inner and outer core are liquid.

• Both the inner core and outer core are solid.

• The liquid inner core is surrounded by a solid outer core.

• The solid inner core is surrounded by a liquid outer core.

Which best explains the relationship between Earth’s crust and mantle?

• The mantle is much thicker than the crust.

• The mantle and crust are both mostly water.

• The crust is much thicker than the mantle.

• The crust and mantle are both completely solid.

The crustal plates move on top of which part of Earth?

• ocean

• mantle

• inner core

• outer core