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Fun Science Projects & Experiments

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A collection of science projects, videos and experiments for various grades and topics.

Science Projects or Science Experiments: Grades 3 & 4

Air has Pressure

Air Pressure
Air pressure is the weight of air. Air is a gas and takes up space and has mass. Explore the effects of these facts and see applications of air pressure. Boyle's law is explained as well as the reason why a suction cup works
No Gravity Water Experiment
Air pressure, cardboard, cup of water



The Collapsing Can
Did you know you can crush a soda can by using the air?
Bill Nye The Science Guy on Pressure
Pressure pushes in all directions at once.


Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
Mathway Calculator Widget


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