The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

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 explores whether a plastic slinky works as well as a metal slinky when walking it down the stairs.

This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Check out this science project idea to compare organic produce to non-organic produce and how preservatives in food extend the shelf life of goods.

Kids often ask, "how tall am I?" This science fair project seeks to determine how well kids can guess their own heights.

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

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

In this project, learn about animal vision and different kinds of eyes: ocelli, compound eyes, and camera eyes. Find out what a jellyfish or grasshopper sees!

Learn whether writing things down really makes things easier to remember.

This science fair project idea explores the different properties & interactions of sugar molecules.

This science fair project idea determines which method of hand cleansing is the most effective.

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

People have favorite flavors, but what about ants? Which ant food is the most popular?

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.

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

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

This science fair project idea explores plant growth from a bulb, root, and a stem and investigates asexual plant reproduction.

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.

In this plastic wrap science fair project, you'll learn about polymer permeability and find out which plastic wrap keeps food from dehydrating best.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

This science fair project teaches students the differences between fruits and vegetables.

Teach kids about a fun way they can remember this more efficiently- the power of mnemonics. Kids will be amazed.

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

In this science fair project, students use the streak test to tell minerals apart from each other.