Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

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.

The objective of this science project is to determine the length of time for different seeds to germinate.

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!

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Plants need water to grow. In this project we learn how plants transport water from their roots to their leaves

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.

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

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.

Help kids tap into their inner inventor by teaching them how to make peanut butter through trial, error, and lots of taste testing!

Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

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 project is a vivid, concrete introduction to the basic but important idea that plants need sunlight and water to grow.

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.