Juan and Tanisha wanted to build a track for their marbles. They wanted to see how fast their marbles would run down one
side and how far the marble would roll back up the other side.
"Let's make the track from some wood," said Tanisha. Juan wanted to try plastic for the ramp. He thought it woul be smoother
and the marbles would roll faster.
What would be a testable question for their research on the ramp?
A)How can we make out marbles roll very fast?
B)Plastic is the best material for a marble ramp.
C)What material would be best for building a smooth ramp?
D)The marbles will roll faster on plastic and slower on wood.
Answers: 3
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Juan and Tanisha wanted to build a track for their marbles. They wanted to see how fast their marble...
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