Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT (Test) Variable?
a: height of the ramp
b: the type of car
c: the speed of the car
v: After Simon conducted his experiment he analyzed his data and saw some speeds that were surprising. Why would it be a good idea for Simon to ask his friends to replicate (redo) his experiment?
a: They can test many more different variables that he did
b: They can compare their results to Simon's to see if he was accurate
c: So they can get better results
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