Earth's Structure

Which of Earth's layers is composed mostly of liquid metal?

• crust
• inner core
• outer core
• mantle

Which of Earth's layers has the lowest density?

• crust
• inner core
• outer core
• mantle

What indirect evidence have scientist used to determine the size of Earth's layers?

• continental crust
• rocks
• seismic waves

The solid layer of Earth that moves over a viscous, or plastic, layer is called the ____________.

• asthenoshere

• crust

• lithosphere

• mantle

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

The layer we live on:

• Oceanic Crust
• Continental Crust
• Lithosphere
• Asthenosphere

Tags

NGSS.MS-ESS2-3