Question

Which of these questions is a scientific question about skateboarding?
A How fast does a skateboard move at the bottom of a ramp?
B. Which color of wheel looks best?
C. Should skateboarding be allowed in shopping malls?
D. What is the best trick to do while moving backward?

Answer 1

Answer:

A How fast does a skateboard move at the bottom of a ramp?

Explanation:

How fast does a skateboard move at the bottom of a ramp is a scientific question about skateboarding.

Answer 2

'A' is the only one that can be tested and measured.

'B' and 'D' ask for 'best'. 'C' asks 'should'. These are things that can't be measured, and they're individual opinions anyway.