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.

How do icicles form and what do they look like? Do this free science fair project and watch the formation of icicles occur right before your eyes.

Try this fun and simple activity to help nurture your child's observation skills and nourish a growing love of science!

It's rhyme time! With this science fair project idea, your child will find out which words can be considered easy rhyming words, and why.

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.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

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

In this hands-on design challenge your child will make their very own Rube Goldberg Machine.

Start your toy engines -- this is going to be a fast and friction-filled race!

In this physics project, learn about the relationship between light intensity and distance using a laser pointer, flashlight, and graph paper!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Do earthworms like moisture or darkness? Find out as we explore the relationship between earthworms and light.

Can a toy car determine the strength of a magnet? In this cool magnet science fair project, young scientists will learn how to measure the strength of a magnet.

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.