In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

Celebrate our founding fathers and the parchment they wrote on with this DIY scroll project.

Has your kid noticed how much bigger the moon looks when it's low in the sky? Here's an activity you can do to show them that it's just an optical illusion.

Your first or second grader will delight in creating multi-colored confetti egg smashers, traditional in Mexico, called cascarones!

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.

Tangrams are a kindergarten staple, but now it's time to take them to the next level! Get your child started on geometry with this tangram puzzle.

Make cleaning fun with a duster made from a decorated tube sock.

Make your own dreidel from modeling clay with this Hannukah craft activity!

Help your child craft her first pair of knitting needles out of recycled chopsticks!

Looking for interesting craft projects using pipe cleaners? This easy art project will encourage the sculptor in your child.

What better way to raise awareness about the environment than with an eco-friendly Earth-themed party? Get your party started with this step-by-step guide.

Take advantage of the summer sun to make you and your child a delightfully refreshing treat--sun tea!

Learn an ancient craft with this introduction to weaving. A great tie-in for kids learning about ancient cultures.

Help your child channel his inner wizard with this crafty activity perfect for imaginative youngsters.

Teach your 2nd grader the value of recycling with this fun arts and crafts activity: make a DIY painted bookcase or set of shelves!

This fun game helps children learn to estimate the most basic unit of time--a minute--without a clock.

This is an easy, edible craft that your second grader is sure to enjoy!

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

This science fair project investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

Do you think heat can affect a plant's growth rate?

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Determine if gender affects the ability to identify different smells.

You and your child can make Easter egg dye with the food coloring that you already have in your cupboard.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Your child can re-use and re-purpose old seeds and paper into something new: decorated paper that can be planted!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Plants and light seem to be good buddies, but how far does the friendship really go?

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

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.