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

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Learn about this simple machine and make a pulley of your own to use for fun science trials.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

Put your second grade scientist to work this Fourth of July with our colorful "liquid fireworks" project!

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

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

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

This science fair project teaches students about wilting and browning of salad greens.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

This science experiment tests why guacamole goes brown and if leaving the pit in will stop guacamole from turning brown.

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Reinforce your child’s understanding of the alphabet by helping them construct all of the letters using pipe cleaners.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Test whether plants can grow without sunlight and water.