Siti conducted an experiment to see how the type of surface affects the distance a car travels after rolling down a ramp. Which variable must be kept the same for a fair test?
Show Worked Solution
Worked Solution
Step 1: Identify the independent variable (surface type).
Step [2-9]: To ensure a fair test, all other factors affecting speed (like potential energy from height) must be constant.
Step [2-9]: Ramp height must be kept the same.
Correct answer: The height of the ramp
Want more questions like this? Superholic Lab has 10,000+ MOE-aligned questions with full worked solutions.
Start Free Trial — 7 Days Free