Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Teach your child some scientific basics as you explore the densities of various liquids in this fun experiment.

Teach your child about using pumps to move water in this simple and educational preschool science activity!

This science fair project idea produces sounds by creating vibrations using different objects.

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

This classic children's game demonstrates how sound travels through air vs. through a solid.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

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

By using static electricity generated from their body, a child can cause a small fluorescent lamp bulb to light up!

Your kid can learn about the process of making frozen yogurt and enjoy a homemade, flavorful dessert. Experiment with this fun, chilly food!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

What's cooler than an explosion? Not much! This simple science experiment lets kids build their own pop rocket. So put on your safety goggles and let her rip.

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Learn with makes water molecules work with this fun and easy science activity!

Has your child ever asked you how a submarine works? Here's a simple bathtub project that will make for a hands-on answer.

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

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

An home science experiment for older students that teaches about the science behind heat.

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

Here's a fun at-home activity that will help your child strengthen math skills using high and low temperature data, and become a master temperature tracker!

Let your fourth grade chef mix up butter and sugar with scientific principles about different states of matter, and get delicious toffee, too.

When you see those sunscreen "protection levels," what does that really mean? Try this experiment to find out.

Use reusable, recyclable materials--along with a dose of imagination--to build a castle with first grade geometrical forms.

Help your kindergarten scientist understand the concept of surface tension with this simple science experiment.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

This simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

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

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