Environmental Pollution (Year 7)

3. Chemicals used on farms that can pollute the air.
5. Heat added to water bodies that harms aquatic life.
7. Another word for household rubbish or waste.
13. The use of living things (like bacteria or plants) to clean up polluted environments.
16. Substances added to soil to help plants grow, but can pollute.
17. Harmful substances often released by factories or farms.
18. A non-biodegradable material that pollutes soil.
20. Pollution caused by loud or disturbing sounds.
21. A clean energy source powered by sunlight.
22. Coal, oil, and gas used for energy that cause pollution.

1. The presence of harmful substances in air, water, or soil.
2. Waste water and human waste from homes and toilets.
4. Water bodies often polluted by farm or factory waste.
6. Substances that cause harm when released into the environment.
8. Untreated waste that makes water unsafe.
9. This comes from burning rubbish and fuels.
10. The build-up of harmful chemicals in the body of a living organism over time.
11. A waterborne disease caused by dirty water.
12. The increase in concentration of harmful chemicals as you move up the food chain.
14. This body process is affected by air pollution.
15. Aquatic animals often killed by polluted water.
19. A common cause of soil and water pollution involving crude oil.