3 Written Questions

1. something in an experiment that can change
2. Something is changing speed or position or moving
3. What you change in an experiment

3 Multiple Choice Questions

1. Nothing is moving, changing speed, or position.
   1. What does it mean to have unbalanced forces
   2. Independent Variable
   3. Controlled experiment
   4. What does it mean when forces are balanced?
2. What exactly happens
   1. The effect
   2. Valid
   3. Variable
   4. The cause
3. experiment in which only one variable is changed
   1. The effect
   2. Control
   3. The cause
   4. Controlled experiment

3 True/False Questions

1. Control → A procedure with all variables except the Independent variable kept constant.

   True        False

2. Valid → something in an experiment that can change

   True        False

3. The cause → What exactly happens

   True        False