What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Hone your child's skills of observation and take a look at forensic science for an interesting afternoon of exploration and detective work!

Are you ready to be a detective for science? Then get out your magnifying glass and start studying fingerprints!

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

How can we describe the relationship of magnetic field strength vs. distance? Kids will find out with this free science fair project idea.

Follow in the footsteps of movie character legends as you walk your little one through the steps of becoming a junior archaeologist.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

In this free science fair project idea, we learn about surface tension and how it can support mass—in this case, a floating paper clip.

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.

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

Have your child kick off their summer vacation by making a miniature water slide!

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

Here's a fun science experiment that's refreshingly tasty too! Turn regular water into a tasty treat perfect for consuming on a hot day.

Get a better understanding of water content by dehydrating carrots.

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.

The project determines the forces that cause paper airplanes to fly and determine which type of paper airplane flies the farthest.

Create your very own scented hand sanitizer that will help your child to keep those nasty germs at bay!

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

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

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

This trick uses vertical and horizontal forces to help your child to push apart your hands apart, no matter how hard you try to keep them together!

The project investigates how water and movement affects erosion.

Can you fool your eyes and your brain with an optical illusion? The purpose of this science fair project is to demonstrate various kinds of optical illusions.

This adventurous art project will send kids on a scavenger hunt for fall materials they can use in their artwork. This craft also teaches kids about seasons.

In this project, sunlight is blocked from a leaf in order to see the affect that sunlight has on leaves.

Engineers in training can get started with this simple wheel-and-axle construction activity.