This science fair project idea investigates whether rocks containing geodes can be determined from the outside.

Demonstrate and describe acid-base reactions of baking soda and baking powder by making pancakes.

Science fair project which helps you determine your latitude by using an astrolabe, which measures the angle between the North Star and the horizon.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

Which bread molds fastest? Explore the different kinds of breads and how quickly they mold, along with the role of preservatives.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

In this simple science project, learn about what causes dew and what affects dew formation with a drinking glass, ice, and a soda bottle.

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

Do dogs understand English? Kids will find out with one of our favorite dog science fair projects that tests how dogs process human language and other cues.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Kids learn about Brownian motion, diffusion, and how temperature is a key factor affecting the rate of diffusion in this cool science project.

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

The project compares three different methods of testing turbidity in water: the secchi disk, spectrophotometer, and turbidity test kit.

This science fair project idea focuses on the production of oxygen by plants during the photosynthesis process.

.Have you ever had problems with your wifi signal strength? In this experiment you will learn about how wireless signals pass through the air and solid objects.

In this project students experiment with making music using only glasses of water.

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

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

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

Make a backbone model to explore human anatomy and life science.

Use a microscope in this experiment to learn about different kinds of "good bacteria" that turn milk into yogurt!

Could there be toxic chemicals lurking in the cupboards and closets of your home?

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

Kids will enjoy this cool demonstration of Newton's Third Law and the conservation of linear momentum.

The objective of this free science fair project is to examine the way in which the phases of the moon affect circadian patterns in mammals.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Can playing video games trigger an adrenaline rush even though there's no real danger? In this cool experiment you'll learn all about how fight-or-flight works!