Could there be toxic chemicals lurking in the cupboards and closets of your home?

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

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

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.

Start your toy engines -- this is going to be a fast and friction-filled race!

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

Incorporate some math and science thinking into your annual fall fun with this pumpkin investigation activity! Your child will have a blast investigating various ways of measuring pumpkins, making estimates, taking measurements, and recording their findin

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

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

Can a horse lead itself to the carrot? Train your horse with carrots and boxes and test horse memory in this fun zoology science fair project.

Create homemade seed packets with your kids. This activity combines your kids' love of science and the outdoors with a little writing and drawing fun.

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, too!

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

Discover whether a metal will expand under hot water.