This science fair project idea investigates how the shape of an object affects drag.

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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.

This science fair project examines how seeds hitchhike on animals and clothing.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

In this activity, your learner will be challenged to create their own tic-tac-toe grid out of building blocks.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

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

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

This science fair project explores how osmotic pressure forces water through the root up into the plant.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

The possibilities are endless with this fun Halloween-themed STEM activity! With simple supplies, your child will experiment, adapt, and use their creativity while they build structures using different specifications.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

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.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

This science fair project idea examines which type of insulation holds in the most heat.

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!

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

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Celebrate April Fools' Day with a science prank that is sure to amuse...and educate too!