Kids will learn how to measure the viscosity of liquids by making their own homemade viscometer in this great science fair project idea.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).

Science fair project that measure winds speed, temperature, and time of day in order to determine the origins of the wind.

In this science fair project, kids measure how weather conditions affect how fast a puddle evaporates.

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

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.

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

Thermometers are how we measure temperature, and we've all heard the terms "centigrade" and "Fahrenheit" tossed around, but what do they really mean?

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

Homemade Halloween treats make great party foods for an All Hallow's Eve get together. These four homemade Halloween treats are scary-good.

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

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.

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

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 measures physical dexterity as a function of temperature.

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.

Science fair project which measures the amount of heat energy released by a burning candle by calculating how many calories of heat it emits.

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.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

Pfeffernusse are spicy and sweet Christmas cookies from Germany. Make a batch of traditional pfeffernusse this holiday season.

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

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

Check out is fun science fair project idea to learn about heat transfer and why certain insulating materials are more practical than others.

The objective of this science fair project idea is to determine whether frozen vegetables have more nutrients than canned vegetables.

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

Use this great no-bake recipe to save energy and keep cool.

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.

In this science fair project, students will use methylene blue to study the presence of aerobic bacteria in milk.

This Mother's Day, mix in some fifth grade science learning to create this fabulous fudge!

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