Earth Elements Skills Assessment

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

• Oxygen
• Sulfur
• Nitrogen
• Argon

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

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

The area where all living things and humans live is called our _________________

• Geosphere

• Hydroshere

• Atmosphere

• Biosphere

All of the water on the earth makes up the

• Lithosphere

• Atmosphere

• Hydrosphere

• Biosphere

The layer of gases surrounding the earth is called the

• Atmosphere

• Lithosphere

• Biosphere

• Hydrosphere

Which pie chart MOST accurately reflects the information in the table?

• 
• 
• 
• 

Which element, which is essential for human life, is found in large amounts in both Earth's atmosphere and oceans?

• helium

• silicon

• oxygen

• calcium