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Catalase and Hydrogen Peroxide Experiment

How do living cells interact with the environment around them? All living things possess catalysts, or substances within them that speed up chemical reactions and processes. Enzymes are molecules that ...

Do Heavier Objects Fall Faster? Gravity in a Vacuum

Do heavier objects fall faster? Newton observed the infamous apple falling from a tree, and drew important conclusions about the behavior of everyday objects under the force of gravity. In the case of ...

Hero's Engine: Example of Newton's Third Law

Sir Isaac Newton, a scientist and philosopher of the late 1600’s, spent many years trying to come up with codified rules that describe how all stuff in the universe behaves. In the experiment below, w ...

Rate of Diffusion

Ever notice that when you pour a darker liquid into clear water the overall color changes into a shade between both? Diffusion is the passive process of particles spreading from areas of high concentr ...

Growing Yeast: Sugar Fermentation

Yeast is most commonly used in the kitchen to make dough rise. Have you ever watched pizza crust or a loaf of bread swell in the oven? Yeast makes the dough expand. But what is yeast exactly and how d ...

Handedness and Footedness Test

Ever wonder why it is that you reach for and do certain things with one hand over the other? Handedness has been used to describe left or right preference but one may also be mixed-handed. Cross domin ...

Paper Towel Science Project: Capillarity

Yikes! You’ve just spilled water all over the table! Never fear, there are paper towels nearby. As you clean up your mess you notice that water is spreading throughout the paper towel. What is going o ...

Animal Vision: Ocelli, Compound Eyes, and Camera Eyes

Did you know that there are many different kinds of eyes? And that not all of them even see images? Different creatures need different kinds of eyes to help them survive in their environment.For examp ...

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