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Remote Ready Biology Learning Activities has 50 remote-ready activities, which work for either your classroom or remote teaching.
other ways for water chem
I liked the idea of this simple straight forward lab. I thought it was well presented allowing students to choose materials and use their own ideas on how to tackle the project at hand. I would like to use this lab as an Earth Science activity – can “rocks” hold water? What makes one volcano more explosive than another? I still need to work out the details.