Summary
A bite-size Design Squad explainer: the surprising science of how an eraser lifts pencil marks. In a couple of minutes it makes clear how friction and material lift graphite off paper.
Viewer safety
All ages
Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Quick questions to check understanding:
- In your own words, explain how friction and material lift graphite off paper.
- Where have you seen this idea show up in real life?
- How could an engineer use this idea when they design something?
Quick work-a-long
Words to know: an eraser, plus one new word you heard.
Try it:
- Explain the main idea to a partner in one sentence.
- Find one example of it around you and draw or describe it.