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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
I thought the lesson was
I thought the lesson was wonderful! It was a lot of fun and allowed for inquiry as we determined what method we wanted to use to answer the question. As we explored and experimented more we found that after we burned the copper sulfate for the 2nd and 3rd time it began to crack and move inside the test tube almost as a glacier. Also when we added water to the powdery substance it became, it turned blue once again.
I may be able to use this lesson in my classroom as a demonstration lesson & guided whole-group inquiry.