Identify Item #1

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

Identify Item #2

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

Identify Item #3

• Nitrogen

• Oxygen

• Argon

• Carbon Dioxide

• Carbon Monoxide

Answer explanation

The most abundant element in the atmosphere is:

Answer explanation

The ozone layer is located in the:

• Thermosphere

• Mesosphere

• Exosphere

• Troposphere

• Stratosphere

Answer explanation

Which molecule is an ozone molecule:

• 
• 
• 
• 
• 

Answer explanation

Tags

NGSS.MS-PS1-1

Which of the following is an ozone molecule:

• N₂

• CO₂

• O₃

• NO₂

• O₂

Answer explanation

Tags

NGSS.MS-PS1-1

Write "ozone" where the ozone layer can be found:

Answer explanation

Draw an ozone molecule (label each atom with the correct symbol)

Answer explanation

Ozone is O₃, or three oxygen atoms bonded together.

Tags

NGSS.MS-PS1-1

Which of the following bests describes the importance of the ozone layer as it pertains to life on Earth:

• The ozone layer is not important. Life would not change at all if it were removed.

• Life on Earth could not exist without the ozone layer absorbing the infrared radiation from the Sun

• Life on Earth could not exist without the ozone layer absorbing the ultraviolet radiation from the Sun

• Life on Earth could not exist without the ozone layer absorbing the microwave radiation from the Sun

• Life on Earth could not exist without the ozone layer blocking all solar radiation

Answer explanation