Discover how and which salt melts ice the quickest.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

Take a dive into the candy jar with this yummy science experiment.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

This science fair project idea explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

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!

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

This science experiment has students test whether a snail moves faster on concrete or dirt.

This snowman's not abominable, he's adorable! Your child can bring her very own snowman to life while practicing how to create texture.

This cool science fair project teaches kids about temperature, density and buoyancy using balloons that float with normal air. No helium required!

This science fair idea is a great way for kids to explore static electricity. Kids will give a comb a static charge and watch as it separates pepper from salt.

Did you ever add salt to pasta? Did it help cook the pasta faster? If not, find out in this science fair project idea.

Here's a science activity to help your child investigate how seeds are designed to travel.

In this experiment, students find out what happens when a less-dense fluid interacts with a denser one, replicating the effect of cooler solid rock on magma.

In this project, all you need is a protractor to learn how to use the altitude of Polaris to find latitude on Earth. Polaris is also known as the North Star.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

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.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

Explore scientific concepts with this experiment that introduces kids to the scientific method!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.