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

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

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.

Teach your child the meaning of recycle and reuse by repurposing plastic spoons as plant markers for your vegetable garden.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

The objective of this science fair project is to test the growth rate of a plan in a crystal medium in comparison to traditional soil.

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

This science project teaches students the relationship between compost and plant growth. Students conduct an experiment with different types of compost.

In this experiment, kids will see if pruning tomato plants makes them more fruitful and learn about the factors that contribute to a plant's fruit production.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

This science fair project idea demonstrates that plants give off water.

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

Create a face of a person or animal on a small terra cotta flower pot and grow herbs or a flowered plant for their hair! As the herbs grow, the hair grows.

Tu B'Shevat is a Jewish holiday during which the "new year" for trees is celebrated. In this activity your child will paint a pot to grow his own plant.

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Can you increase the light and plant growth in your garden using mirrors? In this experiment, measure light reflection and find out!

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

Plants and light seem to be good buddies, but how far does the friendship really go?

Do you think heat can affect a plant's growth rate?

Test whether plants can grow without sunlight and water.

Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

In this science project, learn about water transport in plants and make a beautiful dyed floral arrangement with cohesion, adhesion, and xylem tubes!

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

In this outdoor science activity you'll find tips on how to create a nature journal by choosing a native plant or animal and tracking that species.

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

In this activity, your child will learn about how focusing on positive feelings, like love and peace, helps these feelings grow. They will also decorate pots and plant seeds as a reminder of this.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.