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.

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

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.

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

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

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

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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

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

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.

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!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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

Kids will learn how to clean fish tank the natural way. Add catfish to the tank and see if your water gets cleaner.

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.

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.

Dinosaurs were huge creatures that left behind huge footprints that lasted for millions of years. In this science fair project, kids learn how dinosaur tracks were left behind!

How do mirrors work? What is light, and how does it travel? Explore light and reflection with your preschooler with these simple hands-on experiments.

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.

Wiggly worms are known for staying buried in the soil, but how does that affect plants? Are earthworms and plant growth related?

In this science fair project, we'll explore how blocking the sun's light can stop those can stop photosensitive paper from changing color.

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

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!