Physical Science Projects & Project Ideas

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454 filtered results
Physical Science
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How to Measure Viscosity of Liquids
How to Measure Viscosity of Liquids
Science Project
How to Measure Viscosity of Liquids
Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.
5th grade
Science
Science Project
Magnifying Power and Focal Length of a Lens
Magnifying Power and Focal Length of a Lens
Science Project
Magnifying Power and Focal Length of a Lens
Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.
Science
Science Project
Drum Size and Pitch
Science Project
Drum Size and Pitch
How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.
2nd grade
Science
Science Project
Marble Race: Finding Viscosity of Fluids
Marble Race: Finding Viscosity of Fluids
Science Project
Marble Race: Finding Viscosity of Fluids
In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.
Science
Science Project
How to Make a PVC Pipe Instrument
How to Make a PVC Pipe Instrument
Science Project
How to Make a PVC Pipe Instrument
In this cool science fair project, kids apply basic algebra to learn how to make a PVC pipe instrument while exploring concepts like frequency and resonance.
Science
Science Project
How to use Colored Filters to Send Secret Messages
How to use Colored Filters to Send Secret Messages
Science Project
How to use Colored Filters to Send Secret Messages
Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.
3rd grade
Science
Science Project
How to Make a Solar Oven
How to Make a Solar Oven
Science Project
How to Make a Solar Oven
Check out this cool and free middle school science fair project idea on how to make a solar oven.
Science
Science Project
How to Tell Time by the Sun
How to Tell Time by the Sun
Science Project
How to Tell Time by the Sun
Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.
3rd grade
Science
Science Project
Rate of Diffusion
Rate of Diffusion
Science Project
Rate of Diffusion
Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.
Science
Science Project
Paper Towel Science Project: Capillarity
Paper Towel Science Project: Capillarity
Science Project
Paper Towel Science Project: Capillarity
This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.
3rd grade
Science
Science Project
How to Reduce Friction
How to Reduce Friction
Science Project
How to Reduce Friction
In this fun science experiment, make a balloon car and test it on different surfaces to learn about sliding friction and rolling friction.
Science
Science Project
How to Demagnetize a Magnet
Science Project
How to Demagnetize a Magnet
Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.
4th grade
Science
Science Project
Heat Transfer Experiment
Science Project
Heat Transfer Experiment
This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.
2nd grade
Science
Science Project
Water Pressure at Depth
Water Pressure at Depth
Science Project
Water Pressure at Depth
How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.
2nd grade
Science
Science Project
Floating Paper Clip
Science Project
Floating Paper Clip
In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.
2nd grade
Science
Science Project
Hero's Engine: Example of Newton's Third Law
Hero's Engine: Example of Newton's Third Law
Science Project
Hero's Engine: Example of Newton's Third Law
In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.
2nd grade
Science
Science Project
Air Density, Convection, and the Movement of Air Molecules
Air Density, Convection, and the Movement of Air Molecules
Science Project
Air Density, Convection, and the Movement of Air Molecules
In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.
5th grade
Science
Science Project
Heat Convection in Liquids
Heat Convection in Liquids
Science Project
Heat Convection in Liquids
In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.
5th grade
Science
Science Project
Wind Tunnel Experiment
Science Project
Wind Tunnel Experiment
In this wind tunnel experiment, you'll make a wind tunnel to test lift and airflow on a model plane and explore aerodynamics and the Bernoulli Principle.
Science
Science Project
How to Make a Periscope
How to Make a Periscope
Science Project
How to Make a Periscope
Learn how to make a periscope with this cool engineering science fair project idea, and learn about optics to learn how a periscope works.
Science
Science Project
Rubber Band Heat Engine
Rubber Band Heat Engine
Science Project
Rubber Band Heat Engine
Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.
5th grade
Science
Science Project
Homemade Electroscope
Homemade Electroscope
Science Project
Homemade Electroscope
Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.
Science
Science Project
Complete Circuit: How Does a Flashlight Work?
Complete Circuit: How Does a Flashlight Work?
Science Project
Complete Circuit: How Does a Flashlight Work?
How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.
3rd grade
Science
Science Project
Kepler's 3rd Law: Orbital Period vs. Distance
Kepler's 3rd Law: Orbital Period vs. Distance
Science Project
Kepler's 3rd Law: Orbital Period vs. Distance
This fun science fair project for 8th grade demonstrates what Kepler's 3rd law predicts about a planet's orbital period and its distance from the sun.
Science
Science Project
Light Absorption and Color Filters
Light Absorption and Color Filters
Science Project
Light Absorption and Color Filters
Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!
5th grade
Science
Science Project

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.