Astronomy Class Review

Which layer of Earth is located above the outer core?

• crust
• inner core
• mantle
• lithosphere

Which of these two layers is a solid?

• innercore
• Outercore

Why does the troposphere experience (have) the greatest amount of atmospheric pressure compared to the other atmospheric layers?

• It produces the ozone layer.

• It has the highest temperatures.

• It contains a high concentration of gas particles.

• It is the region in which weather occurs.

Which of these statements BEST describes (explains) temperature as elevation in the atmosphere increases?

• Temperature remains constant with elevation in the thermosphere.

• Temperature remains constant with elevation in the mesosphere.

• Temperature generally decreases with elevation in the stratosphere.

• Temperature generally decreases with elevation in the troposphere.

The BEST description of the troposphere is the layer of the atmosphere with the

• most ozone.

• greatest density.

• highest altitude.

• coldest temperature.

In which layer of Earth’s atmosphere does weather occur?

• mesosphere

• stratosphere

• thermosphere

• troposphere

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Atmospheric greenhouse gases help heat the atmosphere by

• increasing the amount of solar radiation reaching Earth.

• storing energy produced by human activity.

• absorbing infrared radiation released by Earth.

• increasing the average density of air.

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Which of these gases, on average, has the lowest volume in the atmosphere of Earth?

• oxygen

• nitrogen

• water vapor

• carbon dioxide

A weather balloon is about 2 meters wide when it is near the ground. It grows to about 6 meters wide at higher altitudes. Which change MOST likely makes the balloon become wider at higher altitudes?

• More gases enter the balloon.

• The gas inside the balloon gets much hotter.

• The air pressure surrounding the balloon decreases.

• Sunlight breaks down the material of the balloon.

Which of the following is NOT a characteristic used to classify stars?

• Color
• Temperature
• Size
• Shape