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

This science fair project idea explores whether dry ice will cool a beverage faster than wet ice.

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

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

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.

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 project examines the affect of temperature on viscosity and surface tension of different liquids.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

The objective of this science fair project is to examine the cleanliness of salad preparation techniques.

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.

Science fair project that studies how perfumes are made in order to determine how we can capture a scent.

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.

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.

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

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.

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

Determine whether fresh vegetables have more calories or less calories than canned vegetables.

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.