Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

This project determines what category of person is most likely to be ticklish.

This science fair project idea explores whether white light can be separated into different colors.

In this experiment you will replicate the mummification process by making a hot dog mummy.

Combine the science of physics with the fun of playing spy. Your young detective can make his own tiny looking glass. It's simple to make!

This science fair project idea investigates the hardness property of minerals.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

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

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

This science fair project idea explores how length affects the weight a bridge can hold.

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

This science fair project idea demonstrates that plants give off water.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

Wool can absorb 1/3 of its weight in water, while still keeping the body warm. She can test this theory by performing a scientific sock comparison!

How do organic materials become soil? This science experiment measures what materials biodegrade.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

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

Cinnamon is tasty, but does it have super powers as well? Find out if cinnamon can repel mosquitoes in this outdoorsy experiment.

Set off an a science adventure as you prepare a row of bee homes for your new visitors.

In this activity, your child will be asked to create a boat that can successfully float while holding 25 pennies.

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.

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.