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Here's a simple science activity that will help your child better understand how wells bring us water.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

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.

The purpose of this science project is to determine which stimulus, gravity or water, will cause the greatest growth response in a plant.

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

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.

Why do plants wilt? Kids will learn to think critically about what environmental factors affect plants, and what plants need to survive.

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

This science fair project idea uses the process of chemical weathering to change a mineral.

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

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

How does light affect plant growth? Do different colors of light work better than others? Find out in this classic science fair project idea.

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.

A project to reinforce learning about the layers of the rainforest, rain forest ecosystem, and the greenhouse effect.

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!

Observe which kind of fresh long-stemmed flower will last the longest after being picked.

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

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

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.

Science fair project that demonstrates how stalagmites and stalactites are formed.

Culverts transport seeds away from their original location to different places. This science project examines the effect of culverts on plant growth in streams.

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.