On the next chilly, winter day, invite your fifth grader to make a hand warmer by experimenting with the loaded combination of a few natural ingredients.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Bring a little science to your third grader's Christmas as you test out his sense of smell by exposing him to common Christmas scents found in your kitchen.

This craft is a great way to explore the fascinating world of spiders and their webs as you collect spider webs from around your house with your third grader.

Get your fifth grader involved in some earth science by helping her plan and create her very own rock collection.

Build a 3d animal cell model with this cool science fair project, which helps kids visualize and understand the function of a cell's parts and organelles.

Show your fourth grader how to see her heart in action. Make a simple device out of a drinking straw and clay to help her spot the movement of her pulse!

Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

In this activity, your child will be challenged to make a tower using paper cups.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

If your fourth grader is obsessed with all things glow-in-the-dark, then here's an activity that will really light up her imagination!

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

Help your fifth grader execute this experiment involving a lit candle (submerged in water!) to show him the wonders of heat energy transference.

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

This experiment that explores water and air pressure will amaze your fifth grader as it appears that a single card is holding water in an upside-down glass.

The next time you and your fifth grader go on a hike, take along this key to figure out which common North American animal left a track along the river bank.

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

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Your third grader will delight in learning about sound waves as he observes the different sounds created by tapping on glasses with varying amounts of water.

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

Kids will learn how to make a steam powered rocket boat, also called a putt putt boat or a pop pop boat, in this great science fair project for 4th graders.

This science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Introduce your second grader to the crazy world of static electricity with just a balloon and a sheet of paper.

What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Using scherenschnitte, your science-savvy second grader will be able to create and display each part of a vegetable!

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

Teach your creative second grader about proportions, animals, and proper cutting methods with cucumber carving.