Pollution Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what’s on both sides.
  • Make sure you understand the information on each card. If something’s unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It’s useful to remember specific examples to understand these concepts better.

What is pollution?

Pollution is the introduction of harmful or poisonous substances into an environment.

What are the three types of pollution discussed?

Land pollution, air pollution and water pollution.

How does land pollution affect the food chain?

Toxic chemicals in the soil can accumulate in plants, poisoning animals higher up the food chain.

What are the effects of air pollution from burning fossil fuels?

Releases particulates causing lung damage, carbon dioxide contributing to global warming, and acidic gases causing acid rain.

How does water pollution lead to eutrophication?

Nitrate fertilisers wash into rivers, causing algae growth and die-off, which depletes oxygen and kills aquatic life.

What are indicator species and how are they used?

Indicator species signal pollution levels; e.g., bloodworms indicate polluted water, while diverse lichen indicates clean air.

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