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.

Create a soda bottle garden that defies gravity! This hanging terrarium is housed in a soda bottle and perfect for crafty kids with a growing green thumb.

Conduct a simple science experiment to see if flowers from your garden pass the acid-base indicator test with this exciting chemistry activity.

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

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

Science fair project that determines whether lettuce that is harvested gradually yields more produce than lettuce that is harvested all at once.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

Soil is made up of different layers. How far down do you need to dig to find the soil horizon, or the place where bits of leaves and branches become soil?

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

Here's a fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

This science fair project idea investigates whether plants can survive being frozen.

Perk up your front porch with this hanging vase craft, perfect for spring and for getting kids outdoors!

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

This science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This science fair project idea researches the effects of acid rain on plant growth.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

This science fair project idea attempts to train a worm to complete a simple maze in order to find out if worms can learn and remember.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.