Soda Bottle Lava Lamp
Today we learned about density by making a soda bottle lava lamp. Zhara read us the experiment, which called for water, vegetable oil, and food coloring in a soda bottle. We sealed the bottle and wah-la, the oil floated to the top and separated from the water. The kids had fun making "waves" and "bubbles" with the oil and water. We talked about the differences in weight or density between the water and oil, and that the oil weighed less, which is why it floated on top of the water.
Then we played Play Doh hamburger maker with Angus's new Play Doh set from Grandma Kaye.
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