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Third Grade Science Fair Project Ideas

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

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Third Grade “ocean-science”
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In this investigation, an oil spill is simulated in a jar to observe the damage that oil spills have on the ocean and ocean life.
Don't Cry Over Spilled Oil
Third Grade
Elementary School
Creating an earth model is a fun, hands-on way to learn all about our planet. In this project, you'll build a model of the world, complete with all seven continents and four major oceans.
Create Your Own Earth Model
Third Grade
Earth & Space Science
Will increasing the amount of salt in water effect how slow or fast the water freezes?
Water Salinity
Third Grade
Chemistry
Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.
Too Cold To Snow?
Third Grade
Fourth Grade
Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.
Speaking Under Water
Third Grade
Elementary School
In this experiment you explore how tectonic plates move to create land and expand bodies of water.
Exploring the Movement of Tectonic Plates with S'Mores
Third Grade
Elementary School
This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.
Don't Rock the Boat
Third Grade
Fourth Grade
Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.
Do Plants Need Water?
Third Grade
Fourth Grade
This science fair project idea compares biodiversity between drops of water.
Biodiversity in a Drop of Water
Third Grade
Elementary School

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