Question 3 • 2001310 Earth Science Sem 1 - Pearson
A student proposes this hypothesis in class: "If I make the angle of a ramp steeper, then a ball rolling down the ramp will be going faster when it hits the ground.”
Answer
A
an explanation based on prior scientific knowledge or observations
B
an explanation of how the hypothesis will inspire new questions
C
an independent variable that the student controls during the experiment
D
an independent variable that is affected by the other experimental variable