Ethanol can be used as an alternative fuel! The purpose of this experiment is to identify a starch plant that produces the largest quantity of ethanol.

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

Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Determine which seeds are most likely to survive harsh winter conditions (low temperatures).

This science fair project determines what effect substances have on ice, and which of these products most effectively melts ice.

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

Test products which claim to reduce wrinkles, and determine which is the most effective. Test effectiveness over three weeks, using a sample of volunteers.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

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.

If it's Easter, it must be time for egg hunts. But we have to admit, most kids would rather take a bite out of a yummy cupcake than a hard-boiled egg.

Most people assume that cold water freezes more quickly, but could that be false? Does hot water freeze faster than cold water? Let's find out!

This science fair project idea determines whether land or water warms more quickly and investigates how solar radiation increases the temperature of surfaces.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

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

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

In this experiment you will become familiar with the properties of dry ice while creating interesting effects like ice bubbles!

Check out this fun science fair project idea to explore fun facts about fruit juices and learn why do juices turn bad in the fridge.

This study observes plants, insects and an animal living in proximity to a known source of EMF.

The objective of this science project is to examine the factors that affect the dispersion of oil in water, including water agitation.

This science fair project idea quantifies the effect of weather- in this case temperature and humidity- on musical instruments.

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.

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

Determine the differences between various bicep exercises, both in terms of how much muscle exertion they create and how they affect your heart rate.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

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

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

This science fair project idea measures physical dexterity as a function of temperature.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.