Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

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

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

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

Learn how to make fairy wings with these easy instructions. See how to make fairy wings for Halloween or dress-up time.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

How do the phases of the Moon and gravity cause spring tides and neap tides? Does the Sun play a role in the tides? Figure it out in this fun science project!

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

Learn how to make paper Christmas trees with this simple craft. See how to make paper Christmas trees and celebrate the holiday season.

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

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

Learn how to make onigiri, a popular Japanese snack.

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 simple "how to make a water wheel" activity makes physics come alive for your child by demonstrating how different kinds of energy work.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

See how to write a love song simply in this kid-focused tutorial. Learn how to write a love song for Valentine's Day and beyond.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Help your child make a recycling poster for your household and teach them how to take care of the environment!

Learn how to make a paper snowflake with these simple instructions. Help your child learn how to make a paper snowflake with only paper and scissors.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

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!

Spend an afternoon outdoors and add a personal touch to clothes or other items of fabric by learning how to tie-dye.

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.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Encourage a bit of mystery and intrigue by teaching your clever kid how to create and use secret codes.