Global warming

• What is the main topic of the video from three sites lessons.com?

  Global warming and its biological consequences
• What should you be able to describe by the end of the video?

  Global warming, its biological consequences, and peer review
• How long has the average temperature of the Earth been increasing?

  Over the last 100 years
• What do scientists believe is causing the current increase in Earth's temperature?

  Human activities
• What has been released into the atmosphere by humans for decades?

  Huge amounts of carbon dioxide
• What is the main source of carbon dioxide emissions?

  Burning fossil fuels like coal and oil
• What gas levels have also increased alongside carbon dioxide?

  Methane
• How is methane produced in agriculture?

  By bacteria in paddy fields and cows
• What are carbon dioxide and methane classified as?

  Greenhouse gases
• What is the effect of greenhouse gases on the atmosphere?

  They trap heat, leading to global warming
• What process do scientists use to check the validity of research papers?

  Peer review
• What is the purpose of peer review?

  To detect false claims and validate research
• What type of reports are not subject to peer review?

  Reports in popular media
• How can media reporting on global warming be problematic?

  It can be oversimplified, inaccurate, or biased
• What is one consequence of global warming on habitats?

  Loss of habitats due to rising temperatures
• What is happening to ice levels in the Arctic?

  They are reducing
• How might global warming affect Arctic organisms like polar bears?

  It may cause their populations to fall
• How might the range of birds and insects change due to global warming?

  They may extend northwards towards cooler conditions
• What is a potential risk of mosquitoes spreading due to global warming?

  Diseases like malaria may spread to the UK
• What is the current limitation of malaria-carrying mosquitoes in the UK?

  They cannot survive the cold conditions
• How might global warming affect animal migration patterns?

  Migration patterns may change for many species
• How are spring plants in the UK affected by global warming?

  They are flowering earlier due to warmer conditions
• What new crops might be grown in the UK due to rising temperatures?

  Grapes may be grown in new areas
• What might happen to crop growth in other parts of the world due to global warming?

  It may become too hot to grow necessary crops
• Where can students find more questions on global warming?

  In the revision workbook linked in the video
• What is the significance of the link provided in the video?

  It leads to additional revision questions