Science fair project that determines how UV radiation emitted by the sun varies depending on the time of day, using a handheld UV detector

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

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

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

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

Measure temperature change over time using a variety of insulation materials. Be creative with insulation materials: scarves, yarn, socks, feathers, oil, etc

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

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.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Did you ever drink spoiled milk? Find out whether whole milk spoils at the same rate as 2% and skim milk.

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

In this activity, you child will learn about how heat changes food. On the next sunny day, head outdoors to make a treat in an outside oven! Here's how:

Plants help keep a house cool! This article includes step-by-step instructions for completing this fun and interesting science experiment.

How powerful is the reaction between baking soda and vinegar? Find out here!

This science fair project idea explores whether mint, known for its âcooling sensationâ really does lower 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.

Why does honey crystallize? This science fair project project answers this question and identifies the variable that makes this sweet solute crystallize faster.

This do-it-anywhere guessing game helps reinforce number concepts. And it's a blast to play.

Science fair project that examines how temperature affects density and how density in turn affects the behavior of helium gas.

The objective of this experiment is to evaluate the effects of acid rain on plants.

Determine whether magic salt is more effective at melting snow than regular salt. Pour one ounce of salt over the ice cubes, compare the melt downs.

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

This science fair project idea explores whether boiling and freezing water will have an effect on how much it weighs.

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

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

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.

This project concerns activity happening millions of miles away, on the sun.

This experiment uses a yeast solution, liquid detergent, and hydrogen peroxide to produce an exciting reaction like no other!

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

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