Global Warming & Greenhouse Effect Flashcards
(13 cards)
What is global warming?
The long-term rise in Earth’s average temperature, mainly caused by human activities.
What are the main greenhouse gases responsible for global warming?
- Carbon dioxide (CO₂)
- Methane (CH₄)
- Nitrous oxide (N₂O)
What human activities contribute to the release of greenhouse gases?
- Burning fossil fuels
- Deforestation
- Farming
How does the greenhouse effect work?
Sunlight reaches Earth, is absorbed and warms the surface, and some heat escapes into space, while greenhouse gases trap some heat in the atmosphere.
What are some effects of global warming?
- Melting ice
- Rising sea levels
- Stronger weather events
- Threats to wildlife, crops, and human health
What is the relationship between the greenhouse effect and climate change?
Global warming drives climate change, affecting life all around the world.
True or False: The greenhouse effect is a natural process necessary for life on Earth.
True
Fill in the blank: The enhanced greenhouse effect is making Earth _______.
[warmer and less stable]
What consequences does global warming have on human life?
- More extreme weather
- Damage to homes, farms, and cities
- Food and water shortages
- Spread of diseases
- Effects on health, safety, and jobs
What happens to crops as a result of global warming?
Crops are affected by changing climates, leading to food shortages.
How does global warming affect sea levels?
Rising sea levels may force people to move from coastal areas.
What are some impacts of increased greenhouse gases in the atmosphere?
More heat is trapped, raising Earth’s average temperature.
What types of extreme weather are caused by global warming?
- Floods
- Heatwaves
- Droughts
