WB explaining to the girls how to measure by looking at the meniscus.
Little One ready to record data:)
WB used oil, saltwater, water, and alcohol which they measured and weighed to determine the density. First they put oil and water in a glass to see what would happen. Em learned how to do math equations using grams per milliliters. She followed along remarkably well for a fourth grader. Soph also understood certain concepts I was not sure she would grasp being 7, but she hung in there. I refrained from telling WB that this was a lesson I did in my 7th grade science class, which they struggled with. I'm glad I did because the girls understood more than I thought they would and enjoyed themselves in the process.
The last thing they did was to determine the density of a tomato and make a hypothesis as to where it would get stuck in their density parfait.
They had a blast, absorbed what they needed too, and spent a fun afternoon learning with WB!