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Second Grade Science Fair Project Ideas

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

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This experiment challenges students to forecast the weather based on the surrounding areas' weather.
Meteorologist for a Day
Second Grade
Kindergarten
This science fair project idea's objective is to become familiar with items your family regularly throws in the trash.
Reusing Your Trash
Second Grade
Elementary School
The goal of this science fair project is to determine whether hand soaps and hand sanitizers prevent the growth of bread mold.
Do Hand Soaps and Sanitizers Prevent the Growth of Bread Mold?
Second Grade
Elementary School
This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.
Density Experiment
Second Grade
Kindergarten
The purpose of this science fair project is to identify various minerals in unknown materials.
Identifying Minerals
Second Grade
Elementary School
This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.
Deer Behavior
Second Grade
Elementary School
The purpose of this science fair project is to determine how rocks and soils vary in porosity, the part of the rock that is not solid material.
How Does Porosity Vary in Rocks and Soils?
Second Grade
Elementary School
When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh? Learn in this plant science project!
The Science Behind Keeping Flowers Fresh
Second Grade
Botany
Summer is the perfect time for popsicles and pool time. Diving for objects in a swimming pool is super fun, but only if you know your objects will sink. Learn about density to determine whether an item will sink or float in water.
Sink or Float? Discovering Density
Second Grade
Chemistry
The purpose of this science fair project is to determine how moisture affects the color of soil.
How Does Moisture Affect the Color of Soil?
Second Grade
Kindergarten
The objective of this science fair project is to investigate salt water density.
Salt Water Density
Second Grade
Kindergarten
Compaction is the compression of soil. The purpose of this science fair project is to measure soil compaction and relate it to plant growth.
How Compact Are the Soils Near Your Home and School?
Second Grade
Elementary School
The goal of this science fair project is to determine whether the temperature underground varies from the ground surface temperature.
Does the Temperature Underground Vary as Much as the Surface Temperature Does?
Second Grade
Kindergarten
Attraction? Detraction? The goal of this science fair project is to explore how magnetic fields differ.
How Do Magnetic Fields Differ?
Second Grade
Elementary School
How do organic materials become soil? This science experiment measures what materials biodegrade.
Dig This: Biodegradation
Second Grade
Elementary School

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