🌍 Vocabulary: Ecological Issues
1ère Bac Sciences Expérimentales SEx
📌 Introduction
Understanding ecological issues is essential for science students. You’ll use this vocabulary in speaking, writing, and scientific discussions about the environment.
Science Tip: “In Biology, we study how deforestation and pollution affect ecosystems and biodiversity.”
📚 Key Vocabulary
Ecological Issues: climate change, global warming, deforestation, pollution, extinction, habitat loss, overfishing, acid rain
Causes: fossil fuels, plastic waste, industrial waste, overpopulation, carbon emissions
Solutions: conservation, renewable energy, recycling, reforestation, reduce, reuse, sustainable development
Example: “The main cause of global warming is the increase in carbon dioxide emissions.”
🔬 Science Connection
In your Biology and Chemistry classes, you’ll study:
- How CO₂ emissions cause the greenhouse effect
- The impact of plastic pollution on marine ecosystems
- How deforestation reduces biodiversity
- The importance of conservation to protect endangered species
✅ Exercise 1: Match the Ecological Issue
1. Cutting down trees →
2. Animals disappearing forever →
3. Too many fish caught →
4. Burning coal and oil →
5. Rain with harmful chemicals →
✅ Exercise 2: Complete the Sentence
1. The main cause of climate change is ___ emissions.
2. We should ___ plastic to reduce waste.
3. Planting trees helps stop ___.
4. Solar and wind energy are forms of ___ energy.
5. The destruction of animal homes is called ___ loss.
✅ Exercise 3: True or False?
1. Recycling helps reduce pollution.
2. Fossil fuels are good for the environment.
3. Deforestation increases biodiversity.
4. Renewable energy is sustainable.
5. Plastic waste harms marine life.
✅ Exercise 4: Science Context
1. In Biology, we study the effect of pollution on ___.
2. CO₂ is a greenhouse gas that causes ___.
3. Photosynthesis produces ___ for humans.
4. Oil spills harm ___ life.
5. Cutting down trees reduces ___ production.
✅ Exercise 5: Fill in the Blank
1. We should ___ water to save resources.
2. ___ energy comes from the sun.
3. Animals lose their homes because of ___.
4. ___ is the variety of life on Earth.
5. We must ___ our environment for future generations.
✅ Exercise 6: Match the Solution
1. Using bicycles →
2. Planting trees →
3. Recycling paper →
4. Using wind energy →
5. Cleaning beaches →
✅ Exercise 7: Correct the Mistake
1. We should burn plastic to help the environment. →
2. Deforestation improves the climate. →
3. Factories clean the air. →
4. Plastic waste helps marine animals. →
5. We don’t need trees. →
✅ Exercise 8: Choose the Best Word
1. The main cause of global warming is ___ gas.
2. We should ___ plastic bags with cloth ones.
3. ___ energy is sustainable.
4. The Amazon is the largest tropical ___.
5. ___ is the process of making air/water dirty.
✅ Exercise 9: Real-Life Situation
1. Your school wants to be eco-friendly. What do you suggest?
2. You see someone littering. What do you say?
3. How can you reduce your carbon footprint?
4. What should governments do about pollution?
5. Why are trees important?
✅ Exercise 10: Write a Sentence
Use these words in sentences:
1. extinction:
2. conservation:
3. renewable energy:
4. habitat loss:
5. climate change:
