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

This science fair project idea explores whether talking to a plant will help it grow.

Show your kids the power of baking powder by conducting a simple experiment. Make four batches of cornbread, all identical except for one thing: baking powder!

Try this chemistry experiment with your curious kid and get some "shocking" results!

In this science fair project, learn how a mineral streak is made and how it can help identify an unknown mineral.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

This experiment challenges students to forecast the weather based on the surrounding areas' weather.

Try hammering some plants with your kids to teach them a valuable lesson in flower science while making beautiful artwork in the process!

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Is it a square or a circle? See if you can trick your friends with this zany science project!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

In this design challenge, your child will make a bottle rocket using typical household items.

What better way to celebrate spring than with a fabulous flower party? Pack the day with fun flower activities and treats for a truly springalicious event!

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.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

This science fair project idea experiments with spinning color wheels and optical illusions.

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.