Earth's Layer

When an earthquake wave passes from the crust to the mantle, the wave

• reverses direction.
• changes speed.
• increases energy.
• stops moving.

Tags

NGSS.MS-PS4-2

 The inner core of Earth is solid because of the

• rate of rotation.
•  extreme temperature.
•  amount of pressure.
•  magnetic field.

This circle graph shows that two common elements make up about 75% of a specific type of matter. Which type of matter does the circle graph MOST likely represent?

•  Earth’s atmosphere
•  living organisms
• ocean water
• Earth’s crust

Tags

NGSS.MS-PS1-1

The picture shows a model of the internal structure of Earth. Which evidence BEST supports this model?

• evaluations of seismic data
• direct observations of the layers
• samples of rocks from the layers
•  explanations of the rock cycle

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

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

• crust, core, mantle
• crust, mantle, core
• mantle, crust, core
• core, crust, mantle

Which section of Earth is composed primarily of liquid metal?

• crust
• mantle
• outer core
• inner core

 A difference between the oceanic crust and the continental crust is that the oceanic crust is

• composed chiefly of sedimentary rocks.
• more dense than the continental crust
• older than the continental crust.
• continually being created.

The map shows a boundary between two tectonic plates. Between which two tectonic plates is this boundary located?

•  Indo-Australian Plate and Pacific Plate
• North American Plate and Pacific Plate
• Indo-Australian Plate and Eurasian Plate
• North American Plate and Eurasian Plate

Tags

NGSS.MS-ESS2-3

Earth is made of different layers that have varying characteristics. Which is the thickest layer?

• the mantle
• the inner core
• the outer core
• the crust