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Physical Science Projects & Project Ideas

Our team of professional scientists, science teachers and educational consultants has put together an excellent collection of free physical science projects for kids. These include physics science fair projects, science experiments, and demonstrations that help kids explore the world of classical mechanics, as well as other great physical science topics: our hair-raising magnet and electricity experiments are sure to spark your child's scientific curiosity. Whether you’re looking for science fair project ideas for your child’s upcoming science fair or your little one simply loves conducting physical science experiments, Education.com’s physical science section is a fantastic free resource.

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This science fair project idea produces varying pitches of sound.
Physical Science
Elementary School
Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.
Physical Science
First Grade
Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.
Physical Science
Elementary School
This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.
Physical Science
Third Grade
This experiment will explore the best way to create a perfect soft-boiled egg.
Chemistry
Middle School
This science fair project idea builds models of various types of bridges and then  determines which bridge design is the strongest.
Physics
Fifth Grade
This science fair experiment organizes made-up elements to simulate Mendeleev when he made the periodic table of elements.
Physical Science
Chemistry
This science fair project idea explores if the length of the string that an object is suspended on has an effect on how fast or slow it swings.
Physics
Elementary School
Quench your thirst with great tasting lemonade while you explore the concepts of acid and base, and how these differ from sweet and sour.
Chemistry
Elementary School
This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.
Physical Science
Elementary School
Explore the electrical energy present in energy drinks.
Chemistry
Middle School
This science fair project idea explores substances that cause a bubble to last longer.
Chemistry
Third Grade
What's the difference between a microwave and an oven? Use mashed potatoes to explore which kitchen appliance does a better job at keeping food warm.
Physics
Fourth Grade

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