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

Here's a great activity that uses corks and toothpicks to create a fleet of floating boats. Which design makes for the most seaworthy vessel?

Help your curious third grader construct a dazzling spinning wheel that will teach him about the science behind colors while providing some silly entertainment!

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!

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!

If your science savy third grader is up for a challenge, let her bend light with a casserole dish!

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!

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.

This taste buds science experiment demonstrates how strongly our sense of smell controls what we taste.

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

Make your own marshmallows and mix up some very interesting third grade chemistry lessons while you're at it!

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

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

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

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!

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

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

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

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

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

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.

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

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

Give your child an introduction to food preservation by making and canning your own yummy, homemade pasta sauce!

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

Looking for an enjoyable evening activity you can do with your kids? Study the stars: help them learn about constellations by making one of their own.

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

Try this chemistry experiment with your curious kid and get some "shocking" results!

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

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