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.

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

Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

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

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 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.

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.

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

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.

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

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.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

Test whether cutting up meats will make it cook faster than just cooking it whole.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

This science project challenges students to take learned information about weather and climate control and apply it to come up with creative ideas of their own.

Help your preschooler grasp the concept of ordering and sequence while teaching him valuable vocabulary with simple activities around the house.