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 idea investigates if fats add to the flavor of food.

This social science experiment assesses whether the timing of peak mental performance shifts from afternoon to morning as we age.

This simple heat transfer experiment is a great introduction to the concepts of heat transfer and conduction.

The goal of this science fair project is to demonstrate current methods of detecting counterfeit money, in particular counterfeit detection pens.

This science fair project idea will be examining oxidation and acid rain

This science fair project idea examines which type of insulation holds in the most heat.

Science fair project that examines oxidation, reduction and chemical indicators by testing for the presence of the iodide in salt.

Check out this cool science fair idea on why hard fruits become soft and learn how to compare the sugar content between ripe and unripe fruits.

In this science fair project, students will create a model of a shoreline, observe erosion and examine how jetties prevent erosion.

This science fair project investigates which of two learning modes most commonly used in school, visual and auditory, is better for information retention.

This science fair project idea determines the most effective method of preserving food.

Research historic methods of food preservation. Analyze alternative recipes and techniques of food preservation. Document success with photographs.

This science fair project idea produces varying pitches of sound.

Study the effect of music on random rote memory. Examine the practical application of music in learning and education.

This project examines whether corked bats truly make a ball travel farther than wooden bats that haven't been altered.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

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.

This science fair project idea tests whether it is true that humans are in the morning than later during the day/night.

Young scientists will investigate people's preferences for saltiness, and make some inferences about genetics and diet.

Determine whether cats have dominant paws. Observe which paw cat uses to reach for treats, feather, and string. Calculate percentage for two paws.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

This science fair project on testing water hardness is a great introduction to practical chemistry. Test and learn the difference between hard and soft water.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

This project analyzes people's emotional responses to images in painting vs similar images in photographs.

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

This science fair project idea examines whether plants are still able to grow normally if they are turned upside-down.

Find out whether a longer airplane will fly farther or a wider paper airplane.

Consult mechanics, automotive specialists for advice. Build a real engine or a scale model. Test and demonstrate its mechanical properties.