Use simple items to create a kindergarten "grow box" that lets a kid see just how salad plants send down their roots and grow underground.

Test whether plants can grow without sunlight and water.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Plants and light seem to be good buddies, but how far does the friendship really go?

This first grade science activity brings the green grass of early spring inside while teaching your child about the cycles of growth.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

This science fair project examines how seeds hitchhike on animals and clothing.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Learning about how plants grow is a building block in the early grades science curriculum. Put a fun twist on this life science concept with these cup monster friends!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

How do animals keep warm? In this experiment, find out whether fat insulation resists cold temperatures and learn how this works in the animal kingdom.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

When you rub a balloon on your head, your hair stands up; but is that true for everyone? Does hair color affect static electricity?

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

How does water pressure change with depth? Kids learn how pressure works underwater with this cool and easy demo.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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.

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?