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First Grade Physical Science - Science Fair Project Ideas

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

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First Grade Physical Science
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Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.
Corrosiveness of Soda
First Grade
Chemistry
Study the life cycle of the common blowfly as it relates to forensic investigation. Record the first time you see flies, maggots, and eggs.
Forensic Entomology and the Life Cycle of the Blowfly
First Grade
Physical Science
In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.
Do Some Liquids Expand More than Others When Frozen?
First Grade
Physical Science
In this experiment you will replicate the mummification process by making a hot dog mummy.
Hot Dog Mummy
First Grade
Physical Science
This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.
Eureka! Volume and the Displacement of Water
First Grade
Physical Science
In this physics project children will use heat to change the air pressure inside a bottle causing a balloon set on top of the bottle to squeeze into it.
Air Pressure Experiment
First Grade
Physical Science
In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.
How Well Does Sound Travel Through a Gas? A Liquid? A Solid?
First Grade
Physical Science
This classic children's game demonstrates how sound travels through air vs. through a solid.
How Sound Travels Through Air and Solids
First Grade
Physics
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
First Grade
Physics
In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.
Glove In a Jar: Demonstration of a Closed System
First Grade
Physical Science
In this science fair project, young children discover what happens when two fluids that have different densities get together.
What Happens When Oil and Water Get Together?
First Grade
Physical Science
This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.
Sorting and Classification for Young Children
First Grade
Physical Science
With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!
Candy Science: A Halloween Experiment
First Grade
Physical Science
This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.
The Speed of Sound on a String
First Grade
Physical Science
In this project children practice the scientific method while playing with puffy paint.
Practicing the Scientific Method with Puffy Paint
First Grade
Chemistry

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