Review Elements and Layers

What is the most abundant element found in the earth's atmosphere?

• Oxygen
• Sulfur
• Nitrogen
• Argon

Tags

NGSS.MS-PS1-1

This element occurs in large amount in the atmosphere and small amount in living things.

• Nitrogen
• Oxygen
• Argon
• Carbon

Which element is the second most abundant in Earth's crust?

• Oxygen

• Calcium

• Sodium

• Silicon

Tags

NGSS.MS-PS1-1

Two elements that occur in the earth's atmosphere are _____ and _______.

• Silicon and Argon

• Argon and Aluminum

• Nitrogen and Oxygen

• Helium and Nitrogen

Tags

NGSS.MS-PS1-1

Which of the following are the elements found in the solid part of the Earth?

• Calcium and Oxygen
• Oxygen and Silicon
• Iron and Oxygen
• Potassium and Silicon

Tags

NGSS.MS-ESS2-3

NGSS.MS-PS1-1

What are the two kinds of crust that the Earth has?

• Oceanic and Crustatious Crust
• Oceanic and Continental Crust
• Optic and Continental Crust

Tags

NGSS.MS-ESS2-3

As scientists explore deeper and deeper into Earth's crust, what have they noticed about temperature and pressure?

• both temperature and pressure decrease
• both temperature and pressure increase
• pressure increases while temperature decreases
• temperature increases while pressure decreases

Tags

NGSS.HS-ESS2-1

NGSS.HS-ESS2-3

Which layer of Earth would have the greatest density?

• upper mantle
• lower mantle
• inner core
• outer core

True or False
The Earth's thin shell of hard rock is called the crust.

• True
• False

5. Which layer is the thickest?

• Core
• Crust
• Mantle