This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea investigates how the shape of an object affects drag.

This science fair project idea investigates if fats add to the flavor of food.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

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

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

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

This science fair project idea explores whether talking to a plant will help it grow.

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This science fair project idea determines what household items are good conductors of electricity.

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

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

This science fair project idea examines which type of insulation holds in the most heat.

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

This science fair project idea investigates the difference in reaction times between boys and girls.

Science fair project that examines condensation and the conditions needed in order for dew to form.

This science fair project idea determines what household items are good conductors of electricity.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.

In this science fair project you will make a model of a cell membrane using very simple material.

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.

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

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project teaches students about wilting and browning of salad greens.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

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!