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Physical Science - Science Fair Project Ideas

Find the physical science, science fair project ideas you're looking for. Many different science fair projects are available for you to browse through and get ideas for your own science fair project.

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From soda and eggs to creepy crawlers and plants, science is a huge part of everyday life. Get your child excited about the science fair with these kid-friendly projects he's sure to love.
10 Science Fair Projects Kids Can't Resist (10)
Chemistry
Physics
This science fair project determines which of two chemical agents can be used to release the drug (tea) from hydrogel crystals.
Can Hydrogel Crystals be used as a Drug Delivery System?
Chemistry
Middle School
This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.
Which Substance When Dissolved in Water will Conduct an Electrical Current?
Chemistry
Electricity and Magnetism
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Can Crystals Show Color Mixing?
Chemistry
Second Grade
This science fair project idea determines the operating differences of AAA, AA, C, D batteries all with a 1.5 volt rating.
Battery Power
Physical Science
Elementary School
This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.
Can Hydrogel Crystals be Used as a Sensitive Humidity Indicator?
Physical Science
Fourth Grade
This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.
Which Addition to Hard Water would Reduce its Conductivity, Washing Soda or Rain Water?
Chemistry
Middle School
The objective of this science fair project is to test the relationship between the arc distance a pendulum travels and the swing period time.
Kinetic Pendulum: What's the Relationship Between Distance and Swing Time?
Physics
Fourth Grade
This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.
Does Gelatin Slow Down the Melting of Freezer Pops?
Chemistry
Elementary School
This fun middle and high school science fair project idea gives you an opportunity to begin to explore low-temperature physics using liquid nitrogen.
Low Temperature Physics: Liquid Nitrogen.
Physics
Middle School
Science fair project that examines learn how the angle of incidence affects the efficiency of solar panels. How does a solar cell work?
Efficient Solar Energy
Physics
Sixth Grade
How do you measure the oil slick floating on top of the water? In this free science fair project, explore the measurement and calculation of oil slick.
Measuring the Thickness of an Oil Slick
Physical Science
Chemistry
In this project, a magnet is used to collect iron from breakfast cereals.
Iron Or What?
Chemistry
Elementary School
With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.
Floating Rocks
Physics
First Grade
The objective of this science fair project is to explore whether superabsorbent polymer or hyrdrogel crystals have the best waterabsorbency.
Which of two superabsorbent polymers is the most absorbent?
Chemistry
Middle School

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