Question

Joe the scientist wants to figure out if the weight of a bowling ball will affect how fast it rolls down a ramp. Joe builds a 15 foot long ramp that is 5 feet tall at the top. Joe believes that if he rolls the 6 pound bowling ball from the top of the ramp, then it will roll the fastest. Joe then gets several bowling balls that are identical except for their weight. The different weights are 6 pounds, 8 pounds, 10 pounds, 12 pounds, and 14 pounds. Joe starts by placing the 6 pound ball at the top of the ramp and he starts the timer at the same time he lets go. He stops the timer when the ball reaches the bottom of the ramp. Joe repeats this process for all of the bowling balls. Joe repeats this process for all of the bowling balls.

What’s the IV, DV, hypothesis and constant ?

Answer 1

IV: The weight of the ball

DV: Time it takes for the ball to roll from top to bottom

Hypothesis: 6 pound bowling ball from the top of the ramp, then it will roll the fastest.

Constant: I dont know

Step-by-step explanation: