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

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

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

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

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

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

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.

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.

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

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.

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

This science fair project looks one of the most important factors affecting seed germination: water. A fun and easy plant biology experiment for 3rd graders.

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.

This measurement activity uses feet to compare objects, but not the ones found on rulers and measuring sticks...the feet on your child's own body!

Preschoolers are fascinated by how colors can be mixed to form new ones. This activity combines color mixing with the concept of melting for extra science fun.

In this science fair project, students examine how temperature affects sugar transport within a plant.

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

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

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

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

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

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

Use an Elihu Thomson apparatus, also known as a ring launcher, to learn about electromagnetism concepts and the properties of various metals.

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

The goal of this golf science fair science fair project is to determine whether the temperature of a golf ball affects its elasticity and its rebound.

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