This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

Cherries usually burst with flavor, but in this science experiment they burst with osmotic pressure. This science activity will blow your curious kid's mind!

This Valentine's Day, pair up science and crafting with this simple crystal formation project that's sure to bring a little love into your home.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

Have your child build his own mini waterfall, and help him develop his planning, problem solving, and architectural skills.

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

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

Here's a fun and simple activity to introduce your child to surface tension, and pull an awesome stunt in the process!

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

Clouds are formed when warm and cold air meet. Here's a way for kids to see it all up close!

With this cool floating rocks project, your child will get some hands-on experience with buoyancy and learn why certain rocks like pumice are able to float.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

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.

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

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Kids learn how to prevent erosion by growing grass. They'll test soil with grass against raw soil in this revealing science fair project idea for 4th grade.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

Teach your kids about entropy with this fun, easy exercise, and teach your money to dance while you're at it!

It's easier than you think to make homemade play dough -- just a few pantry staples makes a natural version of the toy that kids have loved for generations.

Chemistry isn't just incredible ... sometimes its edible! These crystal lollipops are a delicious introduction to chemistry concepts.

This science fair project idea explores the different properties of matter.