Climate change quiz

What is climate change?

• A natural phenomenon without human involvement
• A temporary local weather change
• Long-term changes in climate patterns caused by human activity
• Seasonal variation

Answer explanation

Climate change refers to long-term alterations caused by human activities.

Which gas contributes most to the greenhouse effect?

• Oxygen
• Nitrogen
• Carbon dioxide (CO₂)
• Helium

Answer explanation

CO₂ is the main gas responsible for global warming.

Which human activity significantly increases CO₂ emissions?

• Planting trees
• Burning fossil fuels
• Recycling waste
• Using renewable energy

Answer explanation

Burning fossil fuels releases large amounts of CO₂ into the atmosphere.

What is a direct consequence of climate change?

• Rising sea levels
• Greater biodiversity
• A global temperature drop
• Climate stability

Answer explanation

Rising sea levels are caused by polar ice melting.

What percentage of coral reefs is threatened by climate change?

• 0.1
• 0.25
• 0.5
• 0.75

Answer explanation

Reports indicate that around 50% of reefs are at risk.

Which action helps reduce climate change?

• Deforestation
• Using excessive plastic
• Using sustainable transportation
• Increasing meat consumption

Answer explanation

Sustainable transportation reduces carbon emissions.

What happens as the polar ice caps melt?

• Sea levels drop
• Sea levels rise
• Climate stabilizes
• Biodiversity improves

Answer explanation

Melting ice leads to rising sea levels.

Which of these is NOT an effect of climate change?

• Extreme weather events
• Biodiversity loss
• Formation of new glaciers
• Desertification

Answer explanation

Climate change melts glaciers; it does not form new ones.

What is a “carbon footprint”?

• The amount of carbon in the human body
• The mark left by shoes
• The total greenhouse gases emitted by a person or activity
• The carbon content in food

Answer explanation

It's a measure of the environmental impact of our actions.

How can we reduce our carbon footprint?

• Drive more cars
• Use disposable products
• Save energy and recycle
• Waste food

Answer explanation

Saving energy and recycling lowers our environmental impact.