Summary
The Fixies — tiny helpers who live inside our machines — reveal how a crane uses cables and pulleys to lift very heavy loads high in the air. A quick full episode (about 6 minutes) from the how-things-work cartoon, easy to drop into a science or STEM warm-up.
Viewer safety
All ages
Common Sense Media — not yet ratedIMDb Parents Guide — not yet rated
Our rating is a quick teacher-to-teacher guide — preview before showing.
Teaching resources
Discussion questions
Discussion
This episode shows how a crane uses cables and pulleys to lift very heavy loads high in the air.
- How can a crane lift something so heavy?
- What is a pulley, and how does it help?
- Why do cranes need a wide, heavy base?
Quick work-a-long
Vocabulary: crane, pulley, cable, lift, balance.
Try it: Loop a string over a pencil to make a pulley and lift a small cup — is pulling down to lift up easier?