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

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

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

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

Science fair project determines relationship between number and variety of insects and spiders by collecting and counting invertebrates in a ecosystem.

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

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 goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

Science fair project that determines whether mass and weight are the same or different.

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

Science fair project in which you will start a fire from scratch without using matches or a lighter.

This science fair project idea investigates how the height at which a pendulum is released affects the length of time it continues.

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This science fair project examines which fruits and/or vegetables will ripen prematurely when placed with ripe apples.

This science fair project idea produces sounds by creating vibrations using different objects.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Examine the effect of pressure on carbonation in soda.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

Science fair project which will teach you more about the foods that you eat, and learn which ones are healthier choices.

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

This project investigates the affect of storage temperature on microwave popcorn.

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

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

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

This science fair project idea investigates how color affects temperature.

The purpose of this study is to determine if people can tell the difference between organic and conventional food from looking at, smelling and tasting it.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

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

This science project allows students to study the psychology of happiness.