Atmosphere_revision

Name the five layers of the atmosphere in order from the Earth's surface upward.

• Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere

• Troposphere, Mesosphere, Exosphere, Thermosphere, Stratosphere

• Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere

Which gas is present in the largest amount in the atmosphere?

• Oxygen

• Hydrogen

• Nitrogen

Which layer of the atmosphere contains the ozone layer?

• Exosphere

• Stratosphere

• Thermosphere

What happens to the temperature as we go higher in the Troposphere?

• decrease in temperature with increase in altitude

• increase in temperature with increase in altitude

• decrease in temperature with decrease in altitude

What is the function of the ozone layer?

• To control the speed of wind

• To make oxygen for breathing

• To block harmful UV rays from the Sun

Give the meaning of greenhouse effect.

• Making plants grow faster inside glass houses

• Cooling the Earth by blocking sunlight

• Trapping of the Sun’s heat by gases in the atmosphere

Any 2 Greenhouse gases.

• Oxygen (O₂) and Nitrogen (N₂)

• Methane (CH₄) and Carbon Dioxide (CO₂)

• Helium (He) and Neon (Ne)

What does the term global warming mean?

• Rise in global temperature affecting life on Earth's surface.

• Increase in rainfall causing floods worldwide

• Sudden cooling of the Earth's atmosphere

Which of the following includes one natural and one man-made cause of global warming?

• Solar eclipses and littering in park

• Volcanic eruptions and burning fossil fuels

• Tsunamis and building dams

What is the Ionosphere known for?

• Reflecting radio waves for long-distance communication

• Producing Earth's magnetic field

• Controlling weather patterns directly