Earth's Test Practice

Which of these correctly lists Earth’s layers in order from the center to the surface?

• inner core, asthenosphere, lithosphere, outer core

• inner core, outer core, asthenosphere, lithosphere

• asthenosphere, lithosphere, outer core, inner core

• outer core, inner core, asthenosphere, lithosphere

In the convection current of a pan of soup, the cooler, denser fluid

• stays on top

• stays where it is

• sinks to the bottom

• rises to the top

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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

• continually being created.

• older than the continental crust.

• composed chiefly of sedimentary rocks.

• more dense than the continental crust.

Earth's lithosphere is broken into separate sections called

• plates

• faults

• trenches

• rifts

Tags

NGSS.MS-ESS2-3

The continental crust floats on top of the mantle because the crust is

• separated from the mantle by a layer of water.

• less dense than the mantle.

• made of a liquid material.

• made up of oxygen which is a light element.

What best describes the mantle of Earth?

• the smallest layer that is made up of molten rock

• the largest layer between the crust and outer core

• a solid layer made of iron and nickel

• a thin layer that is located on the surface

Which event most likely takes place as the result of crustal movement along transform boundaries?

• Mountain building

• Earthquakes

• Volcanic activity

• Trenches

Tags

NGSS.MS-ESS3-2

The inner core of Earth is solid because of the

• magnetic field.

• amount of pressure.

• extreme temperature.

• rate of rotation.

Tags

NGSS.MS-PS1-4

Temperature _____________________ as you go deeper into the earth.

• increases
• decreases
• goes up and down depending on the layer
• stays the same

Which layer of Earth is characterized by rock that is plastic, or soft enough to flow?

• asthenosphere
• crust
• lithosphere
• inner core