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

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this activity your child will create their very own marble maze!

Help your child create a working lung model that fills with air just like the lungs inside of his own chest when he breathes.

These flying potato poppers make a cool sound, create a celebratory mood, and they can teach your child about the power of air pressure.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Make a DIY golf putter and design your own golf putting course in this 2nd-3rd grade arts and crafts/game activity.

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!

This science fair project teaches students about wilting and browning of salad greens.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Science fair project which teaches you about the principles of physics within a vacuum by creating a vacuum chamber.

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

Learn all about balance and motion as your child designs a corn maze!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

In this activity your child will make a coiling snake out of simple household materials, and also find out why they coil.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

Celebrate autumn with a seasonal bash. Welcome the fall with a festive party for your little one and her friends, full of crafts, snacks and fun games.

Kids will learn about insulation, heat conduction, and the economic benefits of energy efficient windows in this cool science fair project.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.