Introduce your child to science with something they see everyday--their shadow!

Why are some pennies shiny and others dark and dull? Find out with this cleaning copper coins experiment, which transforms dark pennies to bright ones.

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

Air invisible; it doesn't make sounds; you can't pick it up and throw it. So how do we know it exists? Help your second grade scientist figure it out.

Take the plunge into handcrafting with this neat and tidy soap recipe. Here's how to create your own personalized soap.

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!

What do you get when you combine science and fairies? Fairy scientists who make their own potion, of course! This activity promotes critical thinking skills as your child mixes, experiments, and creates their very own fairy potions.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Teach your first grade scientist the difference between liquids and solids using maple syrup.

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

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

Before digital cameras, before Polaroids, there was the original pinhole camera. Build a pinhole camera and see what true vintage photography looks like!

Set your teen on the beat in a real world "crime scene" investigation. Can he tell whose fingerprints are on a drinking glass?

Here's a fun math and science activity: help your child explore four different kinds of measurement, using their hand and a few simple household tools.

This 4th of July, explore fourth grade science and make some safe fireworks in your own backyard using soda pop!

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

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