Experimental Design

Front

Factor changed in an experiment

Back

Independent Variable

Front

Measured variable

Back

Dependent Variable

Front

Importance of one independent variable in experiments

Back

Identifies the factor causing change

Front

Independent Variable:

Back

Wing Length

Front

Dependent Variable:

Back

Time taken for helicopter to hit the ground

Front

Dependent variable in ramp experiment

Back

Distance traveled by the ball

Front

Hypothesis

Back

Educated guess about experiment outcome

Front

Key phrase in hypothesis

Back

If ... then...

Front

Hypothesis timing

Back

Before the experiment

Front

Hypothesis for Pam Cooking Spray on sled

Back

If I put Pam Cooking Spray on the bottom of my sled, then I will slide faster.