This science fair project idea explores the egg's thin membrane.

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

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

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

This science fair project idea investigates if fats add to the flavor of food.

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

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Kids learn how to manipulate additive and subtractive colors to send secret messages with red colored filters in this cool science fair project idea.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Explore if planting seeds in a certain direction will affect how fast it germinates.

Make a backbone model to explore human anatomy and life science.

Discover whether a metal will expand under hot water.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Have you ever noticed the way a dropped stone makes a fun pattern in a pond or lake? What's the science behind these splashy occurrences?