Question

A student wants to know if the effect of gravity is the same on all objects. She follows these steps:

Drop a 5-gram ball, a 10-gram ball, and a 12-gram ball from a height of 10 meters.
Record how long it takes for each object to hit the ground.
?
Which step should be next?

(1 point)
Responses

Choose new balls.
Choose new balls.

Measure the mass of the balls again.
Measure the mass of the balls again.

Drop the balls from a different height.
Drop the balls from a different height.

Perform a second trial.

Answer 1

Perform a second trial.

Repeat the drops to get more data (reduce random error and increase reliability) before drawing conclusions.