Science fair project that compares the biodiversity of fungi in different ecosystems by identifying species of fungi.

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

Kids learn about examples of mechanical weathering and conduct an experiment with seeds and plaster in this cool geology science fair project idea.

This project examines what types of objects burn and which burn faster and cleaner.

Learn about the power of exponents. The objective of this science fair project is to explore and understand how exponents are used.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

This science fair project idea explores whether cats can be trained in the same way that dogs can.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Demonstrate how you can make your own compass using a magnetized needle. It also allows you to compare magnetic north and geographic north.

This science fair project idea explores alcoholic fermentation at work by making your own soda.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

In this science fair project, students create their own miniature salt flats at home.

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?

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

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

This science fair project idea creates cool new colorful fabric pattern designs and experiments with the mixing of colors.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

This science fair project idea explores how the shape of a boat affects its density and how much weight it can float.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

What is condensation? Little mad scientists will learn about condensation, states of matter, and air pressure by conducting this cool science experiment.

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

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

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