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

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

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

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

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

This science project lets students explore the number of spots on a ladybird and how to treat ladybugs with respect.

Test whether plants can grow without sunlight and water.

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!

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.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

In this activity, your child will be challenged to make a tower using paper cups.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

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

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

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

This classic children's game demonstrates how sound travels through air vs. through a solid.

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

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

In this activity your child will create their very own marble maze!

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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

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.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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.

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.