Earth's Structures and Processes

Which of these Earth layers is the thinnest?

• Mantle

• Outer Core

• Inner Core

• Crust

Use the diagram to answer the question that follows Which is the correct order of Earth's layers, from the outside to inside?

• crust, core, mantle

• crust, mantle, core

• mantle, crust, core

• core, crust, mantle

A student uses clay to construct a model of Earth. Which layer of the model should be the thinnest layer?

• the layer representing the mantle

• the layer representing the outer core

• the layer representing the inner core

• the layer representing the crust

Which of the following has the greatest direct influence on movement of the lithosphere?

• the Sun

• the Moon

• Earth's core

• Earth's mantle

Tags

NGSS.MS-ESS2-3

What best describes the mantle of Earth?

• a thin layer that is located on the surface

• a solid layer made of iron and nickel

• the largest layer between the crust and outer core

• the smallest layer that is made up of molten rock

Which numbered area on the map represents the African Plate?

• 3

• 10

• 8

• 7

Which type of rock forms because of high heat and pressure without melting?

• Igneous rock

• Intrusive rock

• Sedimentary rock

• Metamorphic rock

Which of the following is NOT one of the three major classes of rock?

• Igneous

• Oceanic

• Sedimentary

• Metamorphic

How do geologists classify rocks?

• How they were made

• How heavy they are

• How dense they are

• How old they are

When liquid magma is pushed out of a volcano and cools, it forms this type of rock -

• metamorphic

• igneous

• sedimentary