GCSE Chemistry - Global Warming & Climate Change #68

The video explains the greenhouse effect, where Earth's atmosphere traps heat, maintaining a stable temperature. Human activities like burning fossil fuels and deforestation increase greenhouse gases, intensifying the greenhouse effect and causing global warming. This leads to climate change, resulting in severe weather events, rising sea levels, and biodiversity loss as species struggle to adapt.

What role does the Earth's atmosphere play in regulating temperature?

• It reflects all solar energy back to space.

• It acts as a cooling agent.

• It acts like an insulating blanket, trapping heat.

• It absorbs all solar energy.

Which gases are primarily responsible for the greenhouse effect?

• Oxygen and nitrogen

• Carbon dioxide and methane

• Argon and krypton

• Helium and neon

What is one major human activity contributing to the rise in carbon dioxide levels?

• Using solar panels

• Planting more trees

• Recycling waste

• Burning fossil fuels

How does deforestation contribute to global warming?

• It increases oxygen levels.

• It reduces the amount of carbon dioxide removed from the atmosphere.

• It cools the Earth's surface.

• It increases the Earth's albedo.

What is climate change primarily associated with?

• Short-term weather changes

• Daily temperature fluctuations

• Seasonal variations

• Long-term changes in weather patterns

What is a potential consequence of rising sea levels?

• Submersion of coastal towns

• Decrease in ocean salinity

• Increased mountain heights

• Expansion of deserts

How might climate change affect biodiversity?

• Biodiversity will increase as new species emerge.

• Many species may not adapt quickly enough, leading to a decline in biodiversity.

• All species will migrate successfully.

• Species will thrive in their current habitats.