1. Friction

2. Streamlining

3. Friction all around us
Why is it harder to stop a car on a wet road?

4. Friction all around us
Why do you travel quickly through the water
when you dive like this?

5. Friction all around us
Why doesn't diving like this work in the
same way?

6. Friction all around us
Why is a drill bit hot to touch after you use it?

7. Friction all around us
Why do they put this sign on floors?

8. Friction all around us
Why do people put oil on screws?

9. Friction all around us
Why might it be more difficult to open a baby's
bottle when giving the baby a bath?

10. Friction all around us
Why is a car engine so hot after it has been
running?