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Brian McLogan
Given three real zeros, learn how to write the equation of a polynomial
👉 Learn how to write the equation of a polynomial when given rational zeros. Recall that a polynomial is an expression of the form ax^n + bx^(n-1) + . . . + k, where a, b, and k are constants and the exponents are positive integers. The...
Steve Spangler Science
Seven Layer Density - Cool Science Experiment
The densities of a variety of liquids are demonstrated in this simple, yet effective experiment. Liquids such as honey, dish soap, cooking oil, water, rubbing alcohol, and corn syrup are put on top of one another in a large beaker,...
Steve Spangler Science
Amazing 9 Layer Density Tower - Sick Science! #012
This is a strong visual display of density. It requires a mountain of materials and is quite messy, so you most likely will not want to have lab groups perform this activity. You could demonstrate it for your class when exploring the...
Crash Course
Water - Liquid Awesome
If H2O is water and H2O2 is hydrogen peroxide, what is H2O4? Drinking, bathing, and cooking among others. Viewers of a short video explore water through its molecular structure, its ability to stick to itself through adhesion (cohesion...
Steve Spangler Science
Egg in a Bottle...The Tricky Way - Cool Science Experiment
A teenaged Jack Spangler demonstrates how reducing air pressure in a bottle can pull a boiled egg inside. Then dad does a similar demonstration using liquid nitrogen to reduce the air pressure. Even though the result is the same, the...
Steve Spangler Science
Dancing Raisins - The Bubble Lifter
Here is an engaging demonstration of density that you can do with your young physical scientists. Place different rough surfaced objects into carbonated liquid. The carbon dioxide bubbles collect on the surface of the objects and...