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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 science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.
Mapping the Energy Use of My Classroom
Second Grade
Elementary School
This science fair project teaches students the differences between fruits and vegetables.
Is it a Fruit or a Veggie?
Second Grade
Elementary School
The purpose of this science fair project is to investigate why honey crystallizes and what may make honey crystallize faster.
Why Does Honey Crystallize?
Second Grade
First Grade
The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.
What Makes the Best Compost Pile?
Second Grade
Elementary School
This science fair project idea investigates how magnetism can defy the force of gravity.
Defying Gravity
Second Grade
Elementary School
This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.
Where Did the Lady Bug Get Her Spots?
Second Grade
Elementary School
The objective of this science fair project is to find out how much fat is in potato chips.
How Greasy are Your Potato Chips?
Second Grade
Elementary School
In this project combining nature, art, math, and science, children make rubbings of leaves then observe shapes and structures and sort the leaf images.
Leaf Rubbings: Shapes and Patterns
Second Grade
Kindergarten
In this science fair project, students discover how sedimentary layers form as sediments like mud silt and sand settle over time.
How do Sedimentary Layers Form?
Second Grade
Elementary School
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
Second Grade
Kindergarten
The purpose of this science fair project is to determine how the sun's direction affects temperature.
How Does the Sun's Direction Affect Temperature?
Second Grade
Elementary School
The purpose of this science fair project is to investigate how the caffeine in soda drinks impacts the human heart rate.
Caffeine and Heart Rate
Second Grade
Kindergarten
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
Second Grade
Physics
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?
Second Grade
Kindergarten
Blowing air erodes -- wears away -- sand and dirt. Find out which material is sturdiest in this erosion experiment.
Mighty Fortress Erosion Experiment
Second Grade
Earth & Space Science

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