Grade 7C - Human and natural cause of climate change

What is climate change?

• A) A sudden change in daily weather

• B) spinning motion of an object around its own axis

• C) A long-term shift in temperature and weather patterns

• D) A term used only for cold weather

Which of the following is a natural cause of climate change?

• A) Deforestation

• B) Burning fossil fuels

• C) Industrial pollution

• D) Volcanic eruptions

What does the Intergovernmental Panel on Climate Change (IPCC) predict for the 21st century?

• A) Temperatures may exceed 1.5°C and 2°C unless emissions are reduced

• B) No change in temperature

• C) Climate change will stop soon

• D) Global cooling

Which of the following best describes how greenhouse gases affect Earth's temperature?

• A) They reflect sunlight back into space

• B) They cool down the Earth's surface

• C) movement of one object around another along a fixed path or orbit.

• D) They trap heat in the atmosphere, leading to global warming

Which gas is primarily responsible for global warming?

• A) Oxygen

• B) Nitrogen

• C) Argon

• D) Carbon dioxide (CO₂)

Which greenhouse gas is released when organic waste decomposes?

• A) Oxygen

• B) Nitrogen

• C) Methane (CH₄)

• D) Sulfur dioxide

What natural factor is responsible for long-term climate changes, such as ice ages?

• A) Earth’s tilt and orbit changes around the Sun

• B) The number of cars on Earth

• C) The speed of ocean currents

• D) The amount of pollution in cities

Which human activity directly increases methane levels in the atmosphere?

• A) Using solar energy

• B) Planting trees

• C) Drinking bottled water

• D) Cattle farming

Why does cement production contribute to climate change?

• A) It releases sulfur, which increases rain

• B) It produces CO₂ during chemical reactions

• C) It reduces the Earth's temperature

• D) It improves air quality

How do volcanic eruptions affect the climate?

• A) They make the Earth's atmosphere completely free of pollution.

• B) They make the air fresher

• C) They have no effect on the climate

• D) They release gases and ash, which can cool the Earth temporarily