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This science fair project idea discovers whether there are some objects that do not fall at a constant rate.

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

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.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

The goal of this science fair project is to analyze differences between the taste and texture of frozen and fresh food.

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

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

Take a dive into the candy jar with this yummy science experiment.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

This science project challenges students to learn about and classify weeds and discover new practical uses for weeds.

Find out which kind of bubble wrap fares best when put in impact.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

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

This science fair project will help students learn about non-vascular plants, such as mosses.

This science fair project idea experiments with spinning color wheels and optical illusions.

How do organic materials become soil? This science experiment measures what materials biodegrade.

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

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

Examine the effect of pressure on carbonation in soda.

Throughout history, people have used song as a teaching and memory tool. This project explores whether song improves a person's ability to retain information.

This science fair project idea provides evidence that air is everywhere and takes up space.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

This project investigates the affect of storage temperature on microwave popcorn.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.