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Take It From The Top: How Does This Stack Up?
Source Institutions
In this activity, learners explore center of gravity, or balance point, of stacked blocks.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-481.gif?itok=FGMGN-a6)
Shake It Up!
Source Institutions
Learners observe a sealed container holding a clear colorless liquid. They shake the container and the fluid turns blue. When allowed to sit for a few moments, the fluid turns colorless again.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-443.gif?itok=Ba1l0UtU)
Diaper Dissection
Source Institutions
This is written as a display, but can easily be adapted to a hands-on activity. Learners discover how all the parts of a diaper work together to keep babies dry and comfortable.
Floating Golf Ball
Source Institutions
Visitors observe a graduated cylinder with a golf ball floating about halfway in liquid. The bottom half of the cylinder contains a concentrated solution of salt.
![](/sites/default/files/styles/square_100/public/resource_images/smile-000-000-001-486.gif?itok=Fi781LOw)
Oil and Soap
Source Institutions
Learners investigate the properties of the liquids in two bottles. One contains layers of oil and water, and one contains oil, water, and soap.