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!

This science fair project idea explores whether talking to a plant will help it grow.

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

What causes sound? Here's a simple science experiment that adds a visual element to the science of sound to help kids better understand this tricky concept.

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

Children combine an acid and an alkaline substance to simulate a volcano eruption in this fun experiment.

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

What's a liquid? What's a solid? What better way to experiment than by turning a childhood favorite, ice cream, into a homemade science lesson!

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

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.

Teach your child how butter is created by shaking up cream the old-fashioned way.

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

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

Get your hands on a concoction that breaks the rules about what's a solid and what's a liquid.

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

Check out this mind-blowing experiment in which a hard-boiled egg will fit through an impossibly small opening with the help of only a few matches!

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

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

Science isn't ho hum anymore when it involves building catapults to teach your fifth grader about projectile motion.

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

Discover whether different amounts of water added into a wine glass will produce a different pitch when their fingers are rubbed along the rim.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

Help your child understand surface tension by showing them how they can create a "skin" on top of water.

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

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

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.