1. True or false ? Balanced forces cause a change in motion. How do you know this ? 2. True or false ? Unbalanced forces cause a change in motion? How do you know this ?

1. False

Balanced forces would mean all forces acting upon an object would be equal. So there is no movement.

2. True

Unbalanced forces would mean there is a force acting upon a side of tge object, causing it to move in a direction.

"record the time to complete a chemical reaction" would most likely be part of a lab procedure.