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Four Million Molecules That Stretch to the Moon - Gravi-Goo and Newton's Beads

In one cup of Gravi-Goo there is about four million linked molecules. The long strands of molecules are called polymers. Pour the liquid from cup to cup and the long strand of molecules will pull each other along, or siphon from one cup to another.…

Teacher Spotlight on Karen Puracan - A Science Teacher Who Gets It Home to the Dinner Table

Karen Puracan is a science teacher at Hale Academy in Ocala, Florida. The school is a small private school with grades PreK-12th. Mrs. Puracan teaches 8th grade integrated science, 6th and 7th grade life science, 8th through 10th grade physical…

Drop the Egg into a Glass of Water

The Egg Drop is a classic experiment that illustrates Newton's First Law of Motion and inertia. The goal is to get the egg into the glass of water. Sound easy? Now perch the egg atop a cardboard tube sitting in a pie pan on top of the glass…

Thanksgiving Table Tricks - Egg Drop Inertia

My relatives all know that any time we are gathered around the table is a great time for me to show off my newest table tricks... Thanksgiving is no exception.  But, with something like the Egg Drop it has to be just right, so why not practice…