Summary
Sid finds his dad wearing a mask while painting in the backyard and wants to know why. The investigation reveals that some substances in the air can be harmful — and that there are things people do every day to keep the air cleaner for everyone.
Viewer safety
All ages
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Teaching resources
Discussion questions
Discussion
Air is invisible — but what's in it matters a lot.
- Why was Sid's dad wearing a mask? What was in the air that made it necessary?
- What kinds of things can make air less clean? (Think about cars, factories, smoke, paint.)
- What are two things you or your family can do to help keep the air cleaner?
Quick work-a-long
Vocabulary: air, pollution, protect, invisible, mask, environment.
Try it: Tape a piece of white paper or card outside for one day. Bring it in and look closely — what do you see on it? Where do you think that came from?