Air Around Us_15

What is the atmosphere?

• A layer of water surrounding the Earth

• A layer of rocks surrounding the Earth

• A layer of gases surrounding the Earth

• A layer of fire surrounding the Earth

Why is the atmosphere important?

• To block harmful UV rays from the Sun

• To make the Earth too cold for life to exist

• To create a protective blanket of water around the Earth

• To allow celestial objects to hit the Earth

What is the function of the ozone layer in the atmosphere?

• To block harmful UV rays from the Sun

• To make the Earth too cold for life to exist

• To create a protective blanket of water around the Earth

• To allow celestial objects to hit the Earth

How does the atmosphere maintain the temperature on Earth?

• By blocking the heat from leaving the atmosphere

• By allowing the heat to escape into space

• By creating a layer of ice around the Earth

• By increasing the temperature to extreme levels

What is the role of greenhouse gases in the atmosphere?

• To block harmful UV rays from the Sun

• To maintain the temperature on Earth

• To create a protective blanket of water around the Earth

• To allow celestial objects to hit the Earth

What is the main reason for the presence of oxygen in the atmosphere?

• To block harmful UV rays from the Sun

• To maintain the temperature on Earth

• To provide essential survival for living organisms

• To allow celestial objects to hit the Earth

What is the function of the water cycle?

• To allow the survival of living organisms

• To maintain the temperature on Earth

• To block harmful UV rays from the Sun

• To recycle water on Earth

What does the atmosphere protect the Earth from?

• Extreme cold temperatures

• Harmful UV rays from the Sun

• Water shortages

• Asteroids and meteors

What would happen if there was no atmosphere on Earth?

• Life would not exist

• The Earth would be too cold for life to exist

• The Earth would be too hot for life to exist

• The Earth would be covered in water

What is the main function of the atmosphere?

• To block harmful UV rays from the Sun

• To maintain the temperature on Earth

• To protect the Earth from celestial objects

• To recycle water on Earth