The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

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

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Does electricity move better through thick wires or thin ones? kids will conduct this classic electricity experiment for this science fair project.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

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.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

Discover whether the â5-second ruleâ is effective at determining whether food is still safe to eat after being dropped on the ground.

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

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

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

This science fair project idea examines the distance a person travels on an average day and to relate that to an understanding of the size of the Earth.

The purpose of this science fair project is to build a basic radio.

Sink or swim? Calculate the density of various fruits and vegetables using water and a kitchen scale.

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

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

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

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 idea examines whether plants are still able to grow normally if they are turned upside-down.

This project examines whether playing music during class helps students learn or if it distracts students from learning.

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

Total alkalinity and pH personal care products are controlled to prevent skin irritation. Learn more about basic and acidic substances in this science project.

Science fair project which measures whether tsunamis are more destructive when they are caused by an earthquake or by a meteor.

In this activity, you'll not only make your own bouncy balls at home, but your child will also learn how polymers are made.

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

In this experiment, students will discover how heat and pressure turn clay into slate, phyllite, and finally schist.