Earth's Compositional Layers

Multiple Choice

Compositional layers are defined by their ______ properties, while mechanical layers are defined by their ______ properties.

• physical / chemical

• chemical / physical

• depth / pressure

Reorder

Order the compositional layers of Earth in order from the surface to the center of the Earth.

• crust

• mantle

• core

1

2

3

• 1
• 2
• 3

Open Ended

Where do convection currents take place? Describe how convection currents move material.

Multiple Choice

What happens to pressure, density, and temperature as you get closer to Earth's core?

• they all increase

• they all decrease

• only pressure increases

Multiple Choice

What type of data do scientists use to infer characteristics about Earths interior?

• volcanic activity

• seismic waves

• X-rays

Open Ended

Explain the difference between oceanic and continental crust.