A Moment of Science
Drop a few ice cubes into a glass of water at room temperature, and in a few minutes the water will cool. How does this work?
There are two ingredients inside a lava lamp: a watery liquid, and a waxy compound that collects at the bottom when the lamp is turned off.
The Cartesian diver, named after French philosopher and scientist René Descartes, works because of several factors.
This easy-to-do experiment is a great way to learn about density.
Why does a small rock sink to the bottom of a glass when a piece of wood floated on top?
Here is an at home experiment you can try! Learn about molecular density!
Greek philosopher Archimedes realized that anything that displaces its own weight in water will float. Learn more on this Moment of Science.
Why is it that you can't put down hydrogen gas? Find out on this Moment of Science.
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