Earth's Structure

What stops scientists from DIRECTLY exploring Earth's interior?

• oxygen and magma
• money and interest
• extreme heat and pressure
• extreme cold and pressure

How do scientists INDIRECTLY learn about Earth's interior?

• seismic waves
• rock samples
• tsunamis
• volcanoes

Tags

NGSS.MS-PS4-1

What about seismic waves reveal the structure of Earth?

• speed and path
• size and weight
• speed and size
• size and path

Tags

NGSS.MS-PS4-2

What is the name of layer 3?

• crust
• outer core
• mantle
• inner core

What is the name of layer 1?

• crust
• outer core
• mantle
• inner core

What is the name of layer 2?

• crust
• outer core
• mantle
• inner core

What is the name of layer 4?

• crust
• outer core
• mantle
• inner core

The asthenosphere is the only liquid layer of Earth.

• TRUE
• FALSE

Earth's outer core is made of mostly iron and nickel.

• TRUE
• FALSE

Earth's inner core is under extreme pressure.

• TRUE
• FALSE

Tags

NGSS.HS-ESS2-3