Earth Systems - Geosphere

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Multiple Choice

The Crust floats on top of the __________.

• Outer Core

• Inner Core

• lithosphere
• mantle

Multiple Select

Which of the following are layers of the Earth?

• Crust

• Mantle

• Outer Core

• Inner Core

• Frosting

Multiple Choice

How did scientists discover the different layers of the Earth?

• Digging a really deep hole.

• Reading the paths of seismic waves.

• They just knew.

• The Earth told them.

Let's start at the surface!

Like any good expedition, we need a starting point.

Things to note IN COMPARISON to other layers:
- The thickness of the Crust.
- The temperature of the Crust.
- What the Crust is made up of.

Multiple Choice

The crust is made up of:

• Slick, liquid metal

• Soft, malleable rock

• Hard, rigid rock.

• Hard, solid metal

Multiple Choice

The mantle is made up of:

• Slick, liquid metal

• Soft, malleable rock

• Hard, rigid rock

• Hard, solid metal

Multiple Choice

What causes the movement of tectonic plates in the mantle?

• Earthquakes

• Convection currents

• Magnetic field

• Solar energy

Open Ended

Compare the thickness and temperature of the Earth's crust and mantle. What patterns or trends do you observe?

Multiple Choice

Which of these options is NOT true of the Outer Core?

• The Outer Core is solid.
• The Outer core helps generate our magnetic field.

• The Outer Core has a metal composition.

• The Outer Core is liquid.

Multiple Select

Which of the following statements about the Earth's inner core are correct?

• It is the deepest layer of the Earth.

• It is made of liquid metals.

• It rotates slightly faster than the Earth.

• Its temperature can reach up to 8,000°C.

Multiple Choice

Based on the data in the table, what trend can be observed in temperature and pressure as you move from the crust to the inner core of the Earth?

• Both temperature and pressure decrease.

• Temperature increases, but pressure decreases.

• Both temperature and pressure increase.

• Temperature decreases, but pressure increases.

Multiple Choice

Which layer of the Earth is responsible for generating the planet's magnetic field?

• Crust

• Mantle

• Outer Core

• Inner Core

Multiple Select

Which of the following are considered main sources of the Earth's internal thermal energy?

• Solar radiation

• Residual heat from Earth's creation

• Compression of materials towards the core

• Volcanic eruptions

Open Ended

Explain how the compression of materials towards the Earth's core contributes to the planet's internal heat.

Multiple Choice

Which layer of the Earth has the greatest thickness according to the proportions provided?

• Crust

• Mantle

• Outer core

• Inner core