This science fair project explores how osmotic pressure forces water through the root up into the plant.

Find out whether matte or shiny nail polish lasts longer.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea studies which kind of rock (sedimentary, igneous, or metamorphic) is most damaged by frozen water.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

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

In this science fair project, students focus sunlight with a magnifying glass and trap shorter waves to melt ice.

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

This science fair project idea determines if the color of light affects the growth of plants.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

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

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

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

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

Learn about where colors come from and how light absorption works in this fun experiment! All you need is a flashlight, construction paper, and cellophane!

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

The purpose of this science fair project is to demonstrate how yeast, a fungus, causes bread to rise.

Ant behavior is closely related to light intensity. This free science fair project idea examines how fast ants dig when they are exposed to to light and dark.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This project examines whether people's taste perception is influenced by what they see.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.