This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This science fair project studies which color(s) of flowers butterflies & bees are attracted to and if color plays a role in flower selection for pollination.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

In this cool science fair project idea, kids conduct the ruler drop test on volunteers to determine whether reaction time can be improved with practice.

This science fair project collects information on the Internet about yourself and others.

Administer IQ tests to volunteers. have one group practice typical IQ test problems. Then compare results of the two groups.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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

Your child will create an adorable Christmas tree from their footprint and practice counting while decorating their tree with objects of a variety of textures.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

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 that determines whether moths are attracted to one color of light more than others.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Create a homemade pair of sunglasses with colored lenses to see just how light and color affect our sight! Use this fun project to practice science!

Science fair project that creates a pamphlet to help others learn about Epilepsy, its causes, symptoms and treatments.

This science fair project idea investigates if webbed feet help a duck (and others) swim.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

This science fair project idea explores whether there is a connection to the color a person wears and the way their emotional state is perceived by others.

This experiment evaluates if people of a specific gender or age more likely have an elevated number of taste buds, allowing them to taste what others cannot.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

In this project students learn about the golden ratio and investigate if it can be used to predict people's assessment of beauty in others.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

This classic children's game demonstrates how sound travels through air vs. through a solid.

This classic children's game-connecting two cups with a string-demonstrates sound's ability to travel through air vs through a solid.

This science fair project idea explores whether talking to a plant will help it grow.

Tin can phones offer something modern versions don't—a fun project to make with a friend, and a dramatic illustration of vibration and sound waves.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.