The Earth, living matter, oceans, and atmosphere are composed of-

• so many different elements that they cannot all be listed.

• all of the elements on the Periodic Table equally.

• a limited number of known elements.

• no elements at all.

Tags

NGSS.MS-ESS2-1

NGSS.MS-PS1-1

What element is found in all four areas of the earth (lithosphere or solid earth), biosphere (all living matter on earth), hydrosphere (all water on earth), and atmosphere (the sphere of gases surrounding our earth)?

• Sodium (Na)

• Oxygen (O)

• Carbon (C)

• Nitrogen (N)

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

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

• Silicon
• Sulfur
• Nitrogen
• Argon

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

• Silicon and Argon

• Argon and Aluminum

• Nitrogen and Oxygen

• Helium and Nitrogen

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-ESS3-1

Which of the following elements is most abundant in the solid part of the Earth?

• Calcium
• Iron
• Silicon
• Potassium

This pie chart represents the elemental composition of the _____

• Atmosphere
• Ocean
• Life on Earth
• Crust

What is the most abundant element in Earth's Atmosphere?

• Oxygen

• Nitrogen

• Argon

• Oxygen and Nitrogen

Which element is the least abundant in Earth's crust?

• Silicon

• Aluminum

• Calcium

• Oxygen

A pure substance...

• is an element or a compound
• is an element or a mixture
• is a compound or a mixture
• is a mixture