If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

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

How would you dry your wet clothes if your dryer didn't work? Find out with this fun experiment!

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.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

In this science fair project, students create their own miniature salt flats at home.

What is it about a Slinky that causes it to walk down the steps? This simple experiment is a perfect illustration of both gravity and momentum.

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

Make a planter full of delicious seasonings and classic grilling vegetables, great for a Fatherâs Day gift or a fun start-of-summer outdoor activity.

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

Kids will learn about the interaction of lactose and lactase in milk and discover why we describe enzymes as catalysts in this fun science fair project.

This science fair project idea is develops new or improved paper making techniques and encourages recycling.

This science fair project idea determines if the color of light affects the growth of plants.

In this project, the affects of vitamin E are observed on a rose petal.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea determines the most effective method of preserving food.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

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

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

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

In this project, a model of a submarine is built to simulate the buoyancy and displacement of water and air.