The garden is the perfect place to practice math and science with preschoolers. Get digging (and counting, sorting, observing at the same time!)

In this science fair project, students examine how the flow rate in a stream affects the growth of aquatic plants.

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

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

Free science fair project idea examining how different types of water affect plant germination and growth.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

Preserve some precious memories this Mother's Day! Make a shoe planter out of that old pair of your child's favorite shoes.

Encourage your child to take ownership of a plant by creating a care plan and following it over the course of a couple of weeks.

In science fair projects, middle school students discover why nitrogen fixing bacteria are important to plant growth.

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

Determine if certain colors of light are more effective for photosynthesis. Plant seeds in cardboard boxes with different light, record visible growth.

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project examines how carnivorous plants digest insects, and whether the plant can use nitrogen in the soil to compensate for lack of insects.

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

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

Climates with more snowfall have more coniferous forests and fewer deciduous ? Learn about how pine trees in a coniferous forest adapted to withstand snow.

Science fair project that examines the benefits of the plant enzyme: pectin methyl esterase (PME). Where is PME found in the plant? What does it do chemically?

Explore if planting seeds in a certain direction will affect how fast it germinates.

Plant a mini herb garden and teach your child about science and nature.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

In this science fair project, students examine how temperature affects sugar transport within a plant.

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

Science fair project that examines how light wavelengths affect photosynthesis in the aquatic plant: Elodea.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

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

Help your child plant a "tea garden": a garden made of herbs for making teas.

In this middle school activity, your child will learn how to press plants and create her very own herbarium, or plant library! Here's how:

In this science fair project, students determine whether a bean plant grows faster and taller using a traditional soil planting method or hydroponic method.