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

The objective of this science fair project is to experiment with balancing everyday objects and observing the the effects of gravity on materials.

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

In this cool catalase and hydrogen peroxide experiment, kids put a potato in a jar of hydrogen peroxide to see how catalase acts as an enzyme.

This science research project challenges students to think of more effective lobster farming methods.

This science fair project idea researches the different layers of the atmosphere and creates a visual representation of the atmospheric layers.

This science fair project idea investigates how color affects temperature.

Magnets vary in strength. Have your young scientist figure out which kind of magnet is the strongest when you have him conduct this attractive experiment.

Is there a relationship between caffeine and heart rate? Students will determine the effect of caffeine on heart rate in this fun science fair project.

In this science experiment, observe convection currents forming and learn about how heat energy moves in liquids from hot to cooler areas through convection.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

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

This basketball project explores the best way to make the perfect shot every time.

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

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

In this project, a magnet is used to collect iron from breakfast cereals.

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

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

This science fair project idea researches how your choice of clothing affect how hot or cool you feel during the day.

In this project, different childproof containers are tested to see how childproof they really are.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

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

This science fair project idea determines the most effective method of preserving food.