The objective of this science project is to determine the relationship between carbon dioxide gas and the temperature of the atmosphere.

Kids will conduct a cool limewater carbon dioxide test that can be performed with common household materials to learn about the chemistry of this common gas.

Learn about savanna flora and fauna in this science project! Take a look at characteristics of tropical grassland plants and animals that help them survive.

This science fair project examines whether ocean water can be made safe to drink.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

In this experiment, you will evaluate whether or not a diet that is supplemented with "brain-enhancing" foods can help improve memory.

Science fair project that examines the different types of precipitation, evaluates the density of snow and calculates the ratio of snow-to-liquid.

What can you do with hair after its cut? This science project teaches you practical uses for human hair.

This science fair project idea will be examining oxidation and acid rain

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Science fair project that compares the relative carbon dioxide concentrations of various gases, including different types of vehicle emissions.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

Plants and light seem to be good buddies, but how far does the friendship really go?

Camouflage is one of the most important animal adaptations in the African savanna biome. Kids create their own camouflage with this fun science fair project.

This science fair project idea studies how talking on a cell phone affect driving?

A fun, life science sxperiment idea idea involving strategies for keeping birds away from crops using a distress call. What kind of distress call works best?

This science fair project creates a visual model of whatâs happening to sound waves as a car approaches and then leaves.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

What is mulch? Kids will provide soil with a wet blanket of mulch and see if that helps keep drought-stricken soil damp.

How does frost form? How fast does it form? Do this simple science project using a plastic glass, rock salt and some water to learn about deposition.

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

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.

This project examines the concentration of dissolved oxygen in water, with and without oil.