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.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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

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

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.

Examine the effect of pressure on carbonation in soda.

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

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

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

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

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

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

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 idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

This science fair project idea explores the egg's thin membrane.

This science fair project idea investigates how color affects temperature.

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

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

How sensitive is your skin? Here's a fourth grade science experiment that lets your child figure it out.

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

This science fair project idea investigates the ability of different whitening toothpastes to whiten teeth.

What's the relationship between temperature, air humidity and static electricity? Kids will find out with this free static electricity science fair project.

Determine whether butterflies like to drink sugar water, salt water, or plain water.

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.

The purpose of this science fair project is to study the properties of sugar and examine individual preferences for sugar and other sweeteners.

This science fair project investigates why the number of visible stars changes from place to place.