1st and 2nd Grade Science Projects Activities

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.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

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.

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

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.

In this science fair project, young children discover what happens when two fluids that have different densities get together.

The objective of this science project was to build a model of a volcano and observe reaction between different substances, including baking soda and vinegar.

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.

The goal of this fun science fair project idea is to microwave candy and investigate: do some colors of M&Ms melt faster than others?

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.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

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