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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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Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.
Chemistry
First Grade
Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.
Chemistry
Fifth Grade
Calculate the mass of the Earth using the sidereal and calendar period of the Moon and Newton's Law of Universal Gravitation in this physics science project!
Physics
Ninth Grade
Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.
Electricity and Magnetism
Eighth Grade
This science fair project idea explores the fastest average speed a human can talk.
Physical Science
Middle School
Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.
Physics
Fourth Grade
Little ones looking to get their hands dirty will love this series of fun plant experiments for kids that teach essential plant biology concepts such as photosynthesis, transpiration, capillary action, and tropisms in fun and hands-on ways. Little green thumbs get to do everything from literally cloning cabbage (which is actually quite easy to do, and very cool) to building their own working greenhouses. Check it out!
Chemistry
Science Fair Project Ideas
How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!
Electricity and Magnetism
Fifth Grade

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