1. The things that you keep the same in ALL trials of the experiment
CONSTANTS :
The things that you keep the same in ALL trials of the experiment
Ex – Ramp height in speed lab
CONTROL SET-UP:
Trial(s) in the experiment that does not contain the thing you are testing (independent variable)
EXPERIMENTAL SET-UP
Trial(s) in the experiment that contains the independent variable (the thing that you are testing)

2. Factor that can change in response to independent variable
Factor that is intentionally changed
Variable being tested in your experiment
Dependent Variable:
Factor that can change in response to independent variable
The result of the experiment
what you measure or observe in the experiment and what can be affected during the experiment
(Hint: Independent variable can possibly cause change in the dependent variable)

3. Is the classroom louder when the teacher leaves the room?
Name :
1. Control
2. Constants
3. Independent Variable
4. Dependent Variable

4. CONTROL -
when teacher is in the room.
CONSTANTS
Same classroom,
same teacher,
Same time of day

5. Independent Variable?
Teacher location
Dependent Variable?
Loudness
(measured in decibels)