This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

Challenge your learner to design and build a city of their own in this creative engineering activity.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

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

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

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.

Science fair project that examines what causes thunder and why a thunderclap sounds so loud. How is lightening related to the creation of sound waves?

In this fun experiment, we'll find out how color affects heat absorption!

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Kids will create their own version of Richard Feynman's rubber band heat engine to learn about thermodynamics with this cool science fair project idea.

This project examines what types of objects burn and which burn faster and cleaner.

This science fair project idea explores whether color affects a person's emotional state.

This basketball project explores the best way to make the perfect shot every time.

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

This science fair project idea investigates the difference in reaction times between boys and girls.

Little scientists will make inferences about hearing loss, pitch, and frequency in this great science fair idea that puts the human ear to the test.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

In this design challenge, your child will make a bottle rocket using typical household items.

Kids conduct a cool balloon rocket experiment in this fun science fair project idea. Does a greater volume of air mean a greater distance traveled?

This science fair project idea explores whether cats can be trained in the same way that dogs can.

Explore the craters, maria, and highlands on the surface of the Moon! In this fun science project you'll create a 3-D model of the moon using paper mache.

Kids make a paperclip perform an act of magnetic levitation and test how effective various materials are at magnetic shielding in this science fair project.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

Check out this cool science fair project on identifying rocks and minerals for kids.

In this fun activity, your child will create their very own solar oven to bake s'mores!

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.