Greenhouse Gasses: Effects and Solutions

What are greenhouse gases?

• Gases that trap heat in the Earth's atmosphere

• Gases that are only found in greenhouses

• Gases that are used to make plants grow faster

• Gases that are harmful to plants

Which of the following is a major greenhouse gas?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

How do greenhouse gases affect the Earth's climate?

• They make the Earth cooler

• They have no effect on the Earth's climate

• They make the Earth warmer

• They cause the Earth to spin faster

Which human activity is a significant source of greenhouse gases?

• Planting trees

• Riding bicycles

• Burning fossil fuels

• Swimming

What is one effect of increased greenhouse gases in the atmosphere?

• Decreased sea levels

• Increased sea levels

• More frequent snowstorms

• Less sunlight reaching the Earth

Which of the following is a solution to reduce greenhouse gas emissions?

• Using more coal for energy

• Increasing deforestation

• Using renewable energy sources

• Driving more petrol cars

What is the role of trees in reducing greenhouse gases?

• They release more carbon dioxide

• They absorb carbon dioxide

• They produce methane

• They have no effect on greenhouse gases

Which of the following is a renewable energy source that can help reduce greenhouse gases?

• Coal

• Natural gas

• Solar power

• Nuclear power

What is the greenhouse effect?

• The process by which plants grow faster in greenhouses

• The warming of the Earth's surface due to trapped heat

• The cooling of the Earth's surface due to trapped cold air

• The effect of greenhouses on local weather

How can individuals help reduce greenhouse gas emissions?

• By using energy-efficient appliances

• By leaving lights on when not in use

• By using more plastic products

• By driving larger vehicles