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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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In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.
Sun Print: How Solar Energy Creates Chemical Changes
Second Grade
Kindergarten
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?
Second Grade
Kindergarten
Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.
Is there a Relationship between Tempo and Genre?
Second Grade
Elementary School
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
Second Grade
Kindergarten
This project explores whether plants can live and grow when 'watered' with juice, soda, or milk.
Feeding Plants
Second Grade
Kindergarten
This fun experiment provides a concrete and visually striking illustration of photosynthesis.
Demonstrating Photosynthesis: Writing in Grass
Second Grade
Kindergarten
In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.
Warm, Warmer: How Does Exercise Change Body Temperature?
Second Grade
Third Grade
Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?
A Thunderous Sound
Second Grade
Third Grade
Plants and light seem to be good buddies, but how far does the friendship really go?
Growing in the Dark: Plants and Light
Second Grade
Botany
Play with balance and simple engineering as you hurry to create a sturdy rock tower.
Balancing Rocks: A Wobbly Game
Second Grade
Engineering
Start your toy engines -- this is going to be a fast and friction-filled race!
Car Friction: The Science of Going Fast
Second Grade
Physics
Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!
Floating Eggs: A Pre-Breakfast Experiment
Second Grade
Physics
Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!
Food Consumption: Who Eats More?
Second Grade
Life Science
Use pepper and soap to discover some fun facts about the properties of water.
Pepper and Soap Experiment
Second Grade
Chemistry
This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.
Can Crystals Show Color Mixing?
Second Grade
Third Grade

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