CO2 and Climate Change (Chapter 4-Our Climate, Our Future)

Greenhouse gases make up <1% of the atmosphere. What are the most abundant greenhouse gases?

• Oxygen (O₂)

• Carbon dioxide (CO₂)

• Methane (CH₄)

• Water vapor (H₂O)

What is the most abundant gas in the atmosphere?

• CO₂

• Oxygen

• Nitrogen

• Air

What describes "the greenhouse effect"?

• CO2 creates extreme weather

• Plants are given a bougie glass home

• Heat is trapped by greenhouse gases and sent back to Earth

• Fossil fuels are burned for energy

How is CO₂ measured?

• Cups

• Moles

• Pounds

• Parts per million

How do scientists know how much CO₂ was in the atmosphere 800,000 years ago?

• They were alive

• Ice core

• Satellites

• Tree rings

How much CO₂ was in the atmosphere in May 2023?

• 424

• 385

• 405

• 300

Which regions of the US will be impacted by heatwaves?

What are two ways that climate change is unfair?

• People will less money contribute less to climate change, but suffer more

• Climate change is natural, so it can't be fair or unfair.

• Some people enjoy the heat.

• Young people didn't start this, but will have to deal with it for longer.