Use this fun activity to make an optical illusion picture that helps your kindergartener explore the sense of sight, and sharpen his observation skills!

What happens when eyes see something that the brain knows cannot be true? In this science activity, the brain has to "fudge" it when interpreting what you see.

Explore aromas with your child and help boost her brain power with some fun and interactive science activities.

Want to help make studying the nervous system a little more fun? This thinking cap is a great way to learn external human brain anatomy.

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

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 cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

After completing this fun science project, your child will have a better understanding of plants, and they may even develop a green thumb in the process!

Use simple materials to build a "worm hotel" with your kindergarten soil scientist...and see what worms really do all day.

With this science fair idea, little scientists will gain valuable insights into the physics behind throwing a baseball.

Teach your child to dye eggs with natural ingredients from the grocery store. From pink to gold, these eggs are perfect for hiding, hunting or simply munching.

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.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

In this project, create and examine garden mulch to find out what critters live in the messy, muddy layers just above the soil.

Make sourdough bread...and learn some colonial history and modern science in the process!