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Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

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

This middle school project examines the strength of horizontal versus vertical pointing eggshells.

The goal of this project is to create an exciting topographical map out of dough.

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Demonstrate the relationship between mass, volume and density. Measure displaced water, and weigh object to calculate mass and density.

Science fair project which uses a camera to observe the surface of a balloon in the moment of its explosion.

Should you use âFITâ Fruit and Veggie Wash or plain water to wash your produce? Find out in this science fair project idea.

Crayons aren't just good for creating colorful masterpieces -- they're also great for science!

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

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

Free science fair project idea examining how different types of water affect plant germination and growth.

The objective of this science fair project is to determine whether there are gender differences when boys and girls view optical illusions.

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 determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

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

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this exciting design challenge, your child will use design thinking skills to create a mixture that can inflate a balloon.

There is debate about whether chalkboards or whiteboards are better. This experiment explores which leads to better retention of visually-displayed information.

Learn about the effect of artificial light on plant growth versus natural sunlight and delve into some biology and botany concepts in this science project.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

What kind of fabric holds dye best? How can you improve a dyed fabric's colorfastness? In this colorful project, test colorfastness using mordants and bleach.

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 explores whether the types and brands of faucet filters are relevant to their performance.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.