Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

This project examines what types of objects burn and which burn faster and cleaner.

Science fair project that determines whether landscaping fabric impacts the ability of plants to receive water.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

In this experiment, you'll make a seafloor spreading model to learn more about how plate tectonics work and create mid-ocean ridges.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

In this science fair project, students create their own miniature salt flats at home.

Demonstrate the properties of pressure and surface tension to explain how water can stay inside an upside down glass using cardboard.

This classic children's game demonstrates how sound travels through air vs. through a solid.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Gymnosperms are coniferous trees that reproduces using pine cones to spread seeds. Check out this simple pine cone experiment to learn about the process!

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

Learn how to make a food pyramid with animals in a a coniferous forest ecosystem around your home.

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

Future engineers, unite! Discover how to keep a sandcastleâs bridge from falling into the moat.

In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

The objective of this science fair project idea is to examine light refraction as it passes through liquid crystals.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

What is persistence of vision? With this hands-on science fair project idea, students will demonstrate this cool and dramatic phenomenon in their own classroom.

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower temperatures.

Determine which kind of rock (igneous, sedimentary, metamorphic) has the greatest reservoir capacity, which is the ability to hold the most oil and natural gas.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

Science fair project which determines whether people are more likely to follow rules if they are easy to understand.