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

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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

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

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

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

Demonstrate how static electricity can cause an object to move. It also examines just how an object affected by static electricity will move.

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Learn the basic structure of a DNA strand, which is the double helix, how genes form together, and the resemblance DNA has to a twisted ladder. Create a model.

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.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

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

Students pit the heat capacity of water against the heat capacity of oil while looking at the effects of dipole rotation in this cool science fair project idea.

This science fair project idea experiments with spinning color wheels and optical illusions.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

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

How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

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?

Here is a cool and easy science project to determine the rate of chlorophyll breaks down and how it affects the color change of grass from green to yellow.

What are the effects of colored light on plant growth? Explore plant behavior in this cool botany science fair project and learn about phototropism!

Prove that the Earth is not flat. The objective of this science fair project is to measure the angle of the sun and calculate the circumference of the Earth.

Brine shrimp usually live in saltwater. Investigate how salt concentration (salinity) affects the rate at which brine shrimp eggs hatch.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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