FOSS Grade 5 Investigation 3.1 & 3.2 (OLS)

What is the lowest layer of the atmosphere called?

• mesosphere

• troposphere

• stratosphere

• exosphere

What is the main function of the troposphere?

• To support plant growth

• To support weather and cloud formation

• To regulate the Earth's rotation

• To provide oxygen for breathing

Tags

NGSS.MS-ESS2-5

What is the second layer of the atmosphere called?

• Stratosphere

• Exosphere

• Troposphere

• Mesosphere

What is the unique feature of the stratosphere?

• Presence of the ozone layer

• Abundance of carbon dioxide

• Lack of any protective layer

• Presence of the ionosphere

Which layer of the atmosphere contains the ozone layer?

• Exosphere

• Stratosphere

• Mesosphere

• Troposphere

What is the third layer of the atmosphere called?

• Troposphere

• Mesosphere

• Stratosphere

• Exosphere

What is the main function of the mesosphere?

• Regulating the Earth's temperature

• Supporting plant and animal life

• Protecting the Earth from meteoroids and burning up meteors

• Creating the Northern Lights

What is the temperature like in the mesosphere?

• The temperature in the mesosphere is moderate, around 20 degrees Celsius.

• The temperature in the mesosphere is extremely variable, ranging from -50 to 30 degrees Celsius.

• The temperature in the mesosphere is very high, reaching up to 50 degrees Celsius.

• The temperature in the mesosphere is very low, reaching as low as -90 degrees Celsius.

What is the fourth layer of the atmosphere called?

• Thermosphere

• Stratosphere

• Mesosphere

• Exosphere

What is the main function of the thermosphere?

• Absorb the sun's ultraviolet radiation and protect the Earth from harmful radiation

• Create a barrier to prevent the sun's radiation from reaching the Earth

• Regulate the Earth's temperature by trapping heat

• Reflect the sun's ultraviolet radiation back into space