Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Have your child kick off their summer vacation by making a miniature water slide!

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.

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?

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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!

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

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

This science fair project idea examines which type of insulation holds in the most heat.

In this design challenge, your child will make a bottle rocket using typical household items.

The moon doesn't produce its own light, so why can we see it shining in the sky? Learn about reflection and planetshine in this fun and easy science project!

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

This science project explores the concept of being opaque or clear. Can you make something clear opaque? Or something opaque clear?

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

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

This science fair project idea explores substances that cause a bubble to last longer.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!