Now Playing: Step 3: Design and Conduct Your Experiment

Students learn what a variable is and the importance of building an experiment with just one variable. › NEXT: Step 4: Examine Your Results


Viewing Options:

current movie size:
72.9 mb | 640 x 360
› download
› captioned video


viewing options:

High Definition (HD)
438.7 mb | 1280 x 720

› play
› download

Standard Podcast
135.7 mb | 640 x 360

› download
› transcript

HD Podcast
138.3 mb | 1280 x 720

› download