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

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

What's the quickest way to separate salt and pepper? Let static electricity do the work! Your child will be fascinated by this simple experiment.

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

In this science and engineering activity, children will explore types of tunnels and their purposes and then design and build a tunnel of their own.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

This science fair project idea investigates which objects float and sink in honey, water, and oil.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Test your friends to find out if you can replicate the placebo effect's incredible results.

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

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

Beetles come in many shapes and colors. Here's how your second grade child can create his own beetles to paint and play with!

Introduce your child to the world of motion and physics with a bit of marble play inspired by Sir Isaac Newton!

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

In this activity, your child will be challenged to make a tower using paper cups.

Teach your child how butter is created by shaking up cream the old-fashioned way.

Children have a naturally inquisitive mind. Foster their curiosity with a walk through an autumn field or park to answer age-old “why” questions. As you walk with your child, you can encourage them to ask questions.

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

This activity provides a solution to all those leaves on your doorstep, while also giving your child a fun science lesson.

Science fair project that examines condensation and the conditions needed in order for dew to form.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

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.

In this cool engineering science fair project, kids learn how to build Hero's engine: an enlightening example of Newton's third law.

Using a toy race car kids create a visual model of the Doppler Effect.

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!