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

How does bleach kill bacteria? Kids find out in this impressive bacteria science fair project by testing different concentrations on a safe strain of E. coli.

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.

Check out this fun science fair project idea for middle school students to learn about the effects of temperature on the density of a gas such as air.

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

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.

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

This experiment investigates if stress alters body temperature.

Think you need a special dehydrator to make your own fruit leather? You can actually make a delicious version of this popular kid's snack in your own oven.

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 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.

Any time is the perfect time to whip up a delicious batch of fluffy pumpkin cookies.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

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.

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

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

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.

Science fair project that tests the effects of temperature change on the reactivity of the catalase enzyme.

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

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.

This project examines how temperature affects the volume of gas in balloons.

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