Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

Create a face of a person or animal on a small terra cotta flower pot and grow herbs or a flowered plant for their hair! As the herbs grow, the hair grows.

In this science fair project, students create their own miniature salt flats at home.

Tu B'Shevat is a Jewish holiday during which the "new year" for trees is celebrated. In this activity your child will paint a pot to grow his own plant.

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

Children reflect on ways they have cared for themselves, others, and the Earth before building a garden to share beauty with others in their community.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

Help your child plant a "tea garden": a garden made of herbs for making teas.

Reinforce your child’s foundational math skills while creating small works of seasonal art with this creative Halloween rock painting activity!

Children will read a book, then retell the story with pictures they have painted on stones.

Learn about nature by making your own mini moss garden.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

Create a bee garden to help shelter bees in your area.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

Transform your uncomfortable wooden shoes into charming mini planters!

This activity works well with a group or just with a parent and child, and it can make a great party game since it's both fun and inexpensive.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Teach your child golf without the clubs! Introduce her to Pebble Golf, a fun beach game and a great way to develop her depth perception.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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.

This science fair project idea researches the definition of ‘biodegradable’ and explores this in a real-life setting.

Making decorative pottery is a great way to experiment with making patterns and texture on a traditionally smooth surface.

Children build a "Loving Kindness Garden" to represent what they have learned about love, mindfulness, and caring for others in community.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Grow these wheatgrass and alfalfa friends and watch their hair spring up in just a couple days!