Tag: demonstration
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What is Life? Sewer Lice Phenomenon
Spark discussions life characteristics with this simple demonstration. Place raisins in a beaker filled with carbonated water. Raisins will rise and sink.
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Demo: BTB and Carbon Dioxide
I have used this demonstration every year to introduce the scientific method. The worksheet below is optional and includes instructions for writing a lab report and doing a more involved investigation, but for the beginning of the year, I prefer to just have students observe and give their suggestions for how to test various hypotheses.…
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A Simple Demonstration for the Scientific Method
A simple demonstration using bromothymol blue to show students how the scientific method can be incorporated to determine why the chemical changed color after you blow into it with a straw.