Tag: process
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Penny Lab: Soap and Surface Tension
Most science classes begin the year with an exercise on the scientific method. It can be difficult to plan a short activity that will reinforce the main ideas of developing and testing a hypothesis. This lab is simple and doesn’t require much in the way of materials: pennies, water, and pipettes (and paper towels for…
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Investigation: Plop Plop Fizz Fizz
This investigation asks beginning students to develop a hypothesis about how quickly an effervescent tablet will dissolve and then design an experiment.