7.3.4 Global Warming

• Greenhouse gases contribute to global warming by trapping heat
• What are some key effects of global warming on ecosystems?

  Temperature increases, habitat loss
• Sustainable practices can reduce the carbon footprint.


  True
• Global warming is primarily caused by the rise of greenhouse gases in the atmosphere
• Deforestation is a major cause of greenhouse gas emissions.

  True
• Key effects of global warming on ecosystems include more frequent and intense extreme weather events
• What are the main causes of global warming?

  Increased greenhouse gas emissions
• Match the greenhouse gas with its source:

  Carbon Dioxide (CO2) ↔️ Fossil fuel combustion

  Methane (CH4) ↔️ Agriculture

  Nitrous Oxide (N2O) ↔️ Fertilizers
• What is the long-term effect of global warming on Earth's temperature?

  Increase in average temperature
• Deforestation reduces the ability of ecosystems to absorb CO2.


  True
• Burning fossil fuels releases carbon dioxide, methane, and nitrous oxide.

  True
• The most significant greenhouse gas responsible for global warming is carbon dioxide
• Methane is primarily emitted from agriculture, natural gas leaks, and landfills
• What are the key effects of global warming on ecosystems?

  Sea level rise, habitat loss
• Deforestation is a major cause of increased greenhouse gas emissions.

  True
• Carbon dioxide is the most significant contributor to global warming due to its high concentration and long lifespan
• Carbon dioxide (CO2) is the most significant contributor to global warming due to its high concentration and long lifespan
• Nitrous oxide (N2O) is primarily produced by agriculture and industrial processes.


  True
• Match the greenhouse gas with its major sources:

  Carbon Dioxide (CO2) ↔️ Burning fossil fuels, deforestation

  Methane (CH4) ↔️ Agriculture, natural gas leaks

  Nitrous Oxide (N2O) ↔️ Fertilizers, industrial processes
• Steps of the greenhouse effect mechanism

  1️⃣ Sunlight reaches the Earth's surface

  2️⃣ Earth's surface emits infrared radiation

  3️⃣ Greenhouse gases absorb infrared radiation

  4️⃣ Greenhouse gases re-emit infrared radiation

  5️⃣ Heat is trapped, warming the Earth
• The greenhouse effect is the primary driver of global warming.


  True
• Match the greenhouse gas with its major source:

  Carbon Dioxide (CO2) ↔️ Burning fossil fuels, deforestation

  Methane (CH4) ↔️ Agriculture, natural gas leaks

  Nitrous Oxide (N2O) ↔️ Fertilizers, industrial processes
• What is the primary effect of sea level rise on coastal ecosystems?

  Flood coastal areas
• Extreme weather events, such as droughts and floods, can damage ecosystems and disrupt food chains.
• Sea level rise caused by global warming destroys coastal habitats.

  True
• What are the effects of extreme weather events on ecosystems caused by global warming?

  Damage ecosystems and disrupt food chains
• What is the most significant contributor to global warming?

  Carbon Dioxide (CO2)
• What is global warming defined as?

  Increase in Earth's temperature
• The greenhouse effect is a natural process that keeps Earth warm.


  True
• Match the human activity with its contribution to global warming:

  Burning fossil fuels ↔️ Releases carbon dioxide (CO2)

  Deforestation ↔️ Reduces carbon sinks

  Industrial processes ↔️ Emits nitrous oxide (N2O)

  Agriculture ↔️ Releases methane (CH4)
• What role do international agreements play in addressing global warming?

  Reduce greenhouse gas emissions
• Match the greenhouse gas with its primary source:

  Carbon Dioxide (CO2) ↔️ Burning fossil fuels

  Methane (CH4) ↔️ Agriculture

  Nitrous Oxide (N2O) ↔️ Fertilizers
• What are some key effects of global warming on ecosystems?

  Sea level rise, habitat loss
• Match the greenhouse gas with its impact on global warming:

  Carbon Dioxide (CO2) ↔️ Most significant contributor

  Methane (CH4) ↔️ More potent than CO2

  Nitrous Oxide (N2O) ↔️ Strong greenhouse gas
• Reducing greenhouse gas emissions is crucial to mitigate the effects of global warming
• Burning fossil fuels releases carbon dioxide, methane, and nitrous oxide
• The main causes of global warming are the increased emissions of greenhouse gases into the atmosphere
• Reducing greenhouse gas emissions is essential to mitigate global warming.


  True
• Steps in the greenhouse effect mechanism

  1️⃣ Sunlight reaches Earth's surface

  2️⃣ Surface emits infrared radiation

  3️⃣ Greenhouse gases absorb infrared radiation

  4️⃣ Greenhouse gases re-emit infrared radiation
• Extreme weather events caused by global warming can disrupt food chains.

  True