Determine which metal has the highest rate of conductivity.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This science fair project idea determines which flower lasts the longest.

Find out which part of a flame burns wood the fastest and also if this is true for all types of flames such as candle-flame, burners, and lighters.

The purpose of this science fair project is to investigate which food wrapping works best to keep refrigerated and non-refrigerated foods from spoiling.

Learn about calorimetry, make a bomb calorimeter, and experiment with combusting different nuts to see which one produces the most energy!

A food groups plate shows your child what category her foods belong in. Make a food groups plate with your child before dinnertime.

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

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

Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

In this insulation experiment, you'll learn which clothes keep you warm in the cold, and which make you shiver.

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Science fair project in which you will build your own algae photobioreactor which will meet the physiological requirements of algae for maximum growth.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

Save money by making compost! Use this science fair project idea to determine which composting methods best encourage decomposition of organic matter.

This experiment will evaluate bacterial content on toothbrushes before and after different cleaning methods to determine which method of disinfecting is best.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

The purpose of this science project is to investigate which will grow larger plants: compost, soil and Miracle - Gro, a mixture of both.

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

In this cool experiment, learn about the forces of resistance in a liquid and race marbles in a cylinder to find out which fluids have a high viscosity.

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

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Science fair project in which you will examine how crystals are formed by creating your own crystal using charcoal briquettes, salt, and ammonia.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.