Wednesday, March 08, 2006

IV DV Game instead of a Cause and Effect Game

Randy has reflected that teachers still have such a difficult time identifying IV and DV. He suggests a game where they practice that over and over and over.

Hypothesis Phrases
- Not just a guess
- Based on what you already know
- involves predicting
- hard to spell
- plural is hypotheses (that isn't a mispelling of hypothesis)

Other songs include
- the variable song (the are what change in an experiemnt, there are two types)
- the constant song (it is important to isolate one thing at a time)
- control song (hold one thing constant, it is a comparison group, how do we know if there is an effect, without something to compare to, you don't know what you've got until you have soemthing to compare it to)
- experiment song (your experiment is a test)

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