Race Car
Race Time
- Which force makes the car move?
- Which force makes the car stop?
- What can make the car go faster or slower?
![U2L2.EngageThumbnail.png](https://assets.education.lego.com/v3/assets/blt293eea581807678a/blta2ee69401b3d1335/5ed0f6bbd94d9d1a6948efd1/U2L2.EngageThumbnail.png?locale=en-us&auto=webp&format=jpeg&width=1800&quality=90&fit=bounds)
Pit Stop
- Building instructions book “B," pages 4 – 18
![U2L2.Thumbnail.png](https://assets.education.lego.com/v3/assets/blt293eea581807678a/bltbe00ee61510dcfab/5fd228b9ee448a54fd0cd3a3/U2L2_-_doodleThumbnail.png?locale=en-us&auto=webp&format=jpeg&width=1800&quality=90&fit=bounds)
Test Car
Experiment 1:
- Test your car with the medium-sized wheels to see how far it'll go.
- Pull the launcher back to position 5.
Let’s race!
Experiment 2:
- Now test your car with small gray wheels and the large white wheels.
What did you see?
- Which forces did you observe?
- Did you see any patterns?
![45401-assessment.png](https://assets.education.lego.com/v3/assets/blt293eea581807678a/blteca493632139998a/5fd71e6650460c30dd541156/45401_ModDetail_262.png?locale=en-us&auto=webp&format=jpeg&width=1800&quality=90&fit=bounds)