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Elementary School Physical Science - Science Fair Project Ideas

Great selection of elementary school science fair project ideas. These science fair projects can help you find elementary school level ideas for your science fair.

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This science fair project idea examines whether the colors of the spectrum respond differently in the thermal aspect when radiated by the sun.
How Solar Energy Heats Liquids of Different Colors
Elementary School
Chemistry
This science fair project idea investigates how magnetism can defy the force of gravity.
Defying Gravity
Elementary School
Physical Science
Are you ready to pilot your own airplane? Well, then take to the skies with this high-flying project!
Best Flying Paper Airplane
Elementary School
Aerodynamics
Get down to the rubber with this science project that tests the effectiveness of different types of erasers.
Eraser Test
Physical Science
Second Grade
Launch a balloon rocket! The purpose of this science fair project is to determine how the volume of air affects how far a balloon rocket travels.
How Does the Volume of Air Affect How Far a Balloon Rocket Travels?
Elementary School
Aerodynamics
Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.
Rainbow in a Jar
Physics
Second Grade
Here is a fun science fair project idea for elementary school that explores and demonstrate a total and partial solar eclipse when the Moon covers the Sun.
Shadows: How Can the Moon Cover the Sun?
Elementary School
Physical Science
Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.
Soil pH: Acid or Alkaline?
Chemistry
Fourth Grade
The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.
To Measure the Refraction of Light through Liquids Using Crystals
Chemistry
Fifth Grade
Will the shape of an ice cube impact how fast the ice melts?
Ice Melting
Physics
Fifth Grade
The purpose of this science fair project is to determine which metal is the best conductor of heat: copper, steel or brass.
Heat Conductivity of Metals
Elementary School
Chemistry
Get out your flashlight! The purpose of this science fair project is to investigate how distance influences the spreading of light.
How Does Distance Affect the Spreading of Light?
Elementary School
Physics
Dive into the world of cooking oil and smoke points to discover just how fast some oils start smoking.
Cooking Oil Smoke Points
Chemistry
Fifth Grade
How powerful is the reaction between baking soda and vinegar? Find out here!
Baking Soda and Vinegar Balloon
Chemistry
Third Grade
Do Temperature and Humidity Affect How Long Static Charges Last?
Elementary School
Physics

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