This science fair project idea examines reptile behavior and to determine whether reptiles are more active during warmer temperatures.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This fun science fair project idea explains what a circadian rhythm is and explores the types of biological activities that follow a 24 hour cycle in mammals.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

Explore the best way to store popcorn kernels. It examines the impact of moisture and temperature on unpopped kernels.

In this science fair project, we'll use a liquid crystal thermometer to find out whether exercising makes a difference in people's temperature.

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

This project examines the concentration of dissolved oxygen in water, with and without oil.

Check out this fun science fair project idea to determine if the size of a particle affect the rate or speed of a chemical reaction.

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

This project explores what happens to a rubber band when it is heated and cooled.

This experiment investigates if stress alters body temperature.

Determine whether the application of Febreeze will lower the bacterial count.

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Check out this fun science project idea to explore different types of starches and learn how removing starch affects the quality and taste of food.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

Fudge is one of very few desserts people make at home that is actually crystalline. What happens when the fudge crystallizes at different temperatures?

Check out this cool science project idea to explore how temperature creates annual rhythms that govern plant growth.

This experiment investigates if small changes in your diet can alter your basal body temperature.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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

Check out this fun science fair project idea to learn how alkaline batteries convert chemical energy to electrical energy?

This experiment evaluates if the temperature of the environment that you work in affects your ability to perform mental tasks.

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

Investigate the advantages of the use of ceramics in engines such as the tiles used in Space Shuttle. Use iron filings and magnets.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

Find out whether freezing or refrigerating destroys more bacteria. This is essential to consuming safe and germ-free food.

The objective of this science fair project idea is to find out whether refrigerating cosmetics will extend their shelf-life and longevity.