What animals are most popular? This project affords practice in data-collection, record-keeping and data-analysis through the investigation of this question.

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

This light bulb science project includes step-by-step instructions for testing the heat from different light bulbs.

Science fair project that examines how winter storms form and the relationship between temperature, moisture and snow.

Observe how your brain works while it is focused on one thing, and how it works while you are distracted by another thing.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Examine the effect of pressure on carbonation in soda.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

This science fair project idea identifies clouds as a means of predicting the weather.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea explores how enzyme inhibitors, active sites, non-competitive enzyme inhibitors, and substrates work.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Free science fair project idea that examines the differences between cats and dogs. Analyze objective qualities rather than subjective ones.

Science fair project which compares the rate of temperature change and the maximum temperature as a result of the angle of light radiation.

This science fair project idea investigates if fats add to the flavor of food.

In this project, the fingerprints of family members are compared to determine if people from the same family have similar fingerprints.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

In this science fair project you will make a model of a cell membrane using very simple material.

This science fair project idea investigates how color affects temperature.

This science fair project idea investigates emulsifiers that allow oil and vinegar to mix.

Have you ever noticed the ridges on a dog's nose? In this project, we take several dogs' nose prints and discover just how unique they are!

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This science fair project idea explores substances that cause a bubble to last longer.

This science fair project idea investigates which objects float and sink in honey, water, and oil.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.