Our Cars worked well on the concrete. You had to push gently. Toby
When there was friction like the grass the car didn't go well. Connor
You had to start off slowly. Alyssa
The ramp helped the speed pick up. Here is Oliver, Joshua and Micah racing their vehicles.
On the slide there was no friction. It sped down so fast. My car did a flip at the end. Sebastian.
We all liked the slide test the best, but if our car was a real one we wouldn't want it to be on a hill with no friction.
The cars were bumping against the grass blades. This stopped them from working well.
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