Summary
Elinor's derby car keeps losing, so the kids experiment with pushes, ramps, and design changes to make it faster. Then the Goat twins look identical — until careful observation turns up the little differences that tell them apart.
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All ages
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Teaching resources
Discussion questions
Discussion
Little changes made Elinor's car faster — and careful looking told the twins apart.
- What changes did the kids make to the car? Which made it fastest?
- What happens when you push something harder?
- How did the kids finally tell the Goat twins apart?
- Why is looking closely such an important science skill?
Quick work-a-long
Vocabulary: speed, push, ramp, experiment, observe.
Try it: Roll a toy car down a low ramp and a steep ramp. Which is faster? Why?
Try it: Play 'spot the difference' with a partner: find three tiny differences between two similar objects.


