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

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

This science fair project idea investigates the hardness property of minerals.

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 teaches students the differences between fruits and vegetables.

Science fair project idea which teaches you how to make butter by separating cream into butter and buttermilk.

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!

The objective of this science fair project is to examine the effects of temperature on salt and water solutions, as they form crystals over time.

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

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.

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

This science fair project idea investigates how color affects temperature.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

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.

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

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

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

Learn how to tell time by the sun with this cool science fair project idea that tracks how the accuracy of a sundial changes over time.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

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

Saturn is the ringed planet in our solar system, a gas giant with rings made of ice and dust. Let's make a cool scale model with an old CD and some glitter!

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

This science fair project idea explores how length affects the weight a bridge can hold.

Explore if planting seeds in a certain direction will affect how fast it germinates.

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

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

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.