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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, you'll make a 'ghost' appear in a test tube, and learn about what happens when hot water and cold water interact.
The Ghost in the Tube
Second Grade
Elementary School
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
This science fair project idea determines which method of hand cleansing is the most effective.
Effective Hand Washing
Second Grade
Elementary School
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
Second Grade
First Grade
What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.
What Animals are Most Popular? A Data Analysis Project
Second Grade
Elementary School
This science fair project examines how seeds hitchhike on animals and clothing.
How Do Seeds Hitchhike?
Second Grade
Elementary School
This science fair project challenges students to study how camouflage and environment are related in squirrel populations.
Squirrels and Their Surroundings: The Relationship Between Camouflage and Habitat
Second Grade
Elementary School
Could you grow a giant in your backyard? Create great soil and see if this helps you grow a bigger beanstalk!
Growing Beans
Second Grade
Medium
This classic children's game demonstrates how sound travels through air vs. through a solid.
How Sound Travels Through Air and Solids
Second Grade
Kindergarten
When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?
Does Hair Color Affect Static Electricity?
Second Grade
Electricity and Magnetism
In this experiment you will replicate the mummification process by making a hot dog mummy.
Hot Dog Mummy
Second Grade
First Grade
Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.
Color Changing Milk Experiment
Second Grade
Chemistry
Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.
Turtle Habitat
Second Grade
Medium
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
Second Grade
Kindergarten
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

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