2nd Grade Science Projects Resources

Use pepper and soap to discover some fun facts about the properties of water.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

This project examines whether people's taste perception is influenced by what they see.

This science fair project idea investigates how magnetism can defy the force of gravity.

This is a quick, easy science fair project that conveys the idea of density to preschool and early elementary children.

In this science fair project, kids will be able to see where germs reside on their hands while gaining insight into the benefits of thorough hand washing.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Why doesn't the ocean freeze? Students answer this question by simulating the chemical composition and temperature of arctic waters in their own home.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Plants and light seem to be good buddies, but how far does the friendship really go?

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

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?

This science fair project idea investigates if webbed feet help a duck (and others) swim.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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 you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Be a chemist for a day and study the simple reaction between sugar and heat. Try heating sugar and see what happens!