What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

In this free science fair project, build a star clock and learn how to tell time on a clear night by observing the big dipper!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

Do you think heat can affect a plant's growth rate?

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

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

Find out whether a longer airplane will fly farther or a wider paper airplane.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

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

Do different types of oil mix or stack? Find out in this science fair project idea!

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

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

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.

This project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

This project compares the strength of one, two, and three-ply toilet paper.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Is it magic? No...it's the amazing, gravity-defying capillary action experiment! Kids will love this dramatic and enlightening science fair project.

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

This science fair project idea explores whether white light can be separated into different colors.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Understanding absorption means understanding why certain fibers and materials can absorb water! Kids will see absorption in action in this simple project.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

Determine if gender affects the ability to identify different smells.

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.