LEAP 2025 Science Grade 3 Practice Questions - LEAP 2025 Science - Grade 3 Exam

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Marcus rolls a toy car with the same pushing force across three different surfaces: smooth tile, coarse sandpaper, and thick carpet. On which surface will the car travel the shortest distance, and why?

Coarse sandpaper, because high surface roughness increases friction and slows the car quickly. The car will travel the exact same distance on all three surfaces. Smooth tile, because smooth surfaces create maximum friction. Thick carpet, because carpet removes all gravity acting on the car.

Correct Answer:

Coarse sandpaper, because high surface roughness increases friction and slows the car quickly.

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