What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

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

Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Try the classic balloon-on-the-wall trick with your kid and watch static electricity in action.

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 about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Do different types of oil mix or stack? Find out in this science fair project idea!

This science exploration lets your first grader see how eggs can provide a perfect environment for a living, growing creature.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

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

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

This science fair project idea demonstrates that plants give off water.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Is your child a young ornithologist in the making?

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

This surprisingly good glue recipe comes from common kitchen items.

Test whether plants can grow without sunlight and water.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

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

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Gather some friends for a bubbly soda taste test do determine calories' role in your favorite drinks.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

Discover whether cold or hot water from the faucet will boil faster on the stove.

Here's an interesting activity that will enable your child to make his own magnifier out of a drop of water

This science fair project idea investigates the difference in reaction times between boys and girls.

Take this "paper plate snack test" with your child for a hands-on lesson in making healthier choices to teach your child about what's in his food.

This biodiversity project examines the biodiversity in your own backyard.