Build an electroscope, a simple device that measures static electricity, or the freely flowing electrical charges of the atmosphere!

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

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

How fast does light travel in different mediums? Kids conduct a cool refraction experiment in materials like water and air for this science fair project.

This fun, think-outside-the-box activity introduces kids to gravity and other basic scientific concepts as they construct an impressive marble run!

Future whistleblowers can learn about product safety standards with this exercise in writing and researching.

Show your child that the simplest ingredients (salt and water) can be used to illustrate the concept of density!

This awesome diffraction grating experiment puts high school students' applied math skills to the test by having them calculate the wavelength of laser light.

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.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

What happens when light hits a hard surface? Find out by conducting a simple light reflection experiment with your preschooler.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

This activity will help your child review science concepts, learn new ones, and become familiar with examples of various concepts in science. Plus, it's fun!

Believe it or not, images that are cast upon your eye's light-sensitive screen (called the retina) are upside down. Here's a fun, fast experiment to prove it!

This science fair project idea demonstrates sonar mapping of the ocean floor.

Teach your preschooler some physics that she can relate to with this fun and simple activity!

The pinwheel is a simple toy that has been around for years and uses the wonders of the wind to spin it and delight kids of all ages!

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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.

This quick and simple preschool mirror activity will introduce your child to the science of reflection and light with a flashlight experiment and picture game.

Inspire your child to put on her engineer hat for the day, as she builds her very own, double-decker bridge.

Illustrate the idea of light refraction with this exciting and mystifying experiment.

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

Play this flashlight game with your child to teach him about objects that are transparent, translucent, and opaque.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

Design a hearing protection device to protect their ears from loud noises. Examine the properties of current protective hearing devices, materials.

How powerful is the reaction between baking soda and vinegar? Find out here!

I scream, you scream, we all scream for homemade spearmint ice cream!