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Level A1 – BeginnerCEFR A1
2 min
77 words
- Penguins wore small samplers on their legs.
- Scientists put the samplers for a few days.
- Samplers absorbed chemicals from water and air.
- Penguins touched surfaces while they searched for food.
- After use, scientists took the devices to a lab.
- Tests found many chemicals in the samplers.
- The method is less harmful than blood tests.
- Penguins help show where pollution is found.
- Researchers want to try the idea with other birds.
- The approach can help monitor remote coasts.
Difficult words
- sampler — small device that collects things for testsSamplers
- absorb — to take in a liquid or gasabsorbed
- chemical — a substance made or found in naturechemicals
- pollution — dirty or harmful things in air or water
- monitor — to watch a place or thing over time
- remote — far away and hard to get to
Tip: hover, focus or tap highlighted words in the article to see quick definitions while you read or listen.
Discussion questions
- Would you let a bird wear a small sampler? Why or why not?
- Have you seen pollution near the sea or a river?
- Do you think scientists should use animals to find pollution?
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