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

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

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

Explore the chemistry of latex polymers with this outrageous, hilarious science activity.

Deck the halls with last season's Christmas lights for a spectacular and electrifying science activity.

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Along with being an interesting science activity, dehydrated strawberries are also tasty â and healthy!

Turn the common pastime of constructing paper airplanes into a lesson on the physics of aerodynamics and flight with this fun science activity.

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

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!

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

Set your young chemist up for an afternoon of science-fueled magic with a deceptively simple activity starring baking soda and vinegar!

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

How to test for acids and bases? In this activity you and your child can make your own indicator from red cabbage!

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

Based on the concept of water's "freezing point," this activity entails the lowering of water's freezing point to chill ice cream!

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

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!

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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.

A homemade lava lamp gives any room a retro flair. Find out how to make a homemade lava lamp, and learn some science too, with this educational activity.

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

Learn how to make marbleized paper with simple everyday ingredients in this fun activity! Your child will learn about oil and water while doing this project.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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

Every time a sound is produced it emits a sound wave. This experiment demonstrates how sound travels, using nothing more than a spoon and a string!

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

In this fun science fair project idea learn about universal solvents and solutes and find out the solubility of several common liquid substances.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

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