Making the transition back from the winter break. Yesterday and today we started our Chemistry unit. Tuesday we set up an observation that involved measuring how many drops of water we can fit onto a penny. Students had to write up their procedure, create a data table, collect their data, and attempt to explain our results. We went over some vocabulary to help strengthen our explanations. We introduced the words adhesion and cohesion.
Water Chemistry notes.
Wednesday we did some chemistry in a bag, mixing water and vinegar with baking soda and calcium chloride (ice melt). We added some Phenol Red and took careful observations. I provided a lab recording sheet for them to use in their notebooks.
Mystery bags.
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