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Watch pre-packaged seeds and seeds taken from inside fruits and vegetables grow. Which ones will grow faster? Read more in this science fair project idea.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Find out whether packaged seeds actually do expire in this new science fair project idea.

What are the effects of fertilizer on plant growth? What's the best fertilizer type (solid, liquid or powder)? Kids find out in this science fair project idea.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

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

What are buttress roots? In this fun science project, make a model of a rainforest tree and learn how they help trees survive in the tropical rainforest!

Help your child create a magical miniature garden in the most unlikely of places: a recycled plastic bottle!

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.

Boys might wrinkle their noses at the thought of gardening, but we guarantee they'll like this activity! Make a recycled terrarium full of bug-eating plants.

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

Find out whether putting something on top of a plant will inhibit its growth.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

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.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

In this plant habitats activity, children play the role of an ecologist and take surveys of different areas to discover the best habitat for dandelions.