science

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Across
  1. 3. – Harmful substances in air, water or land.
  2. 6. – Materials from nature like water, timber and minerals.
  3. 8. – Companies pretending to be environmentally friendly when they’re not.
  4. 10. – Plant or animal material used as an energy source.
  5. 11. – Rotting food and garden waste that becomes soil.
  6. 13. – Reducing carbon emissions to help stop climate change.
  7. 14. – Energy that comes back naturally, like wind or solar.
  8. 16. – Adding trees, plants and gardens in cities.
  9. 17. – Electricity made from moving water.
  10. 19. – Good for the environment and not harmful.
Down
  1. 1. – Travel that respects nature and local culture.
  2. 2. – Using resources carefully so the environment stays healthy.
  3. 4. – Removing trees and plants from an area.
  4. 5. – Protected places for nature, animals and visitors.
  5. 7. – Energy that comes from heat inside the Earth.
  6. 9. – Gas from deep underground used for energy.
  7. 11. – Protecting nature and the environment so it lasts.
  8. 12. – Coal, oil and gas made from dead plants and animals.
  9. 15. – What will happen later, especially for the environment.
  10. 18. – Turning used items into new products.