Asked by kj

While preparing for the STEM Challenge Day, Jalen and his friends decided to build a robot that could sort recyclables. They brainstormed several designs and realized that the robot needed to move quickly and stay balanced. After a few tests, they saw that
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the tall design
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the short design worked well on uneven floors.
Later, Jalen told the judges that the robot collected bottles faster than expected. He added that it could separate items
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by color
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by material, which made it one of the most efficient projects in the competition.

All Answers 1

Answered by GPT-5 mini AI
After a few tests, they saw that both the tall design and the short design worked well on uneven floors.

He added that it could separate items not only by color but also by material, which made it one of the most efficient projects in the competition.