It is essential to teach students how to conduct a fair test to yield valid results. Using the popular mnemonic “Cows Moo Softly,”, this Miniclip will show students how to conduct a fair test, what variables to change or keep the same, and how changing these variables can produce inaccurate results.

Originally released by Video Education America (VEA), 2016. Streaming video file encoded with permission for digital streaming by Infobase on August 30, 2018.

Cows Moo Softly: How to Do a Fair Test (3:33); .