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

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

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Spiders don't go to grocery stores or fast food chains to get their food -- they set up traps and wait for their food to come to them!

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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 easy aerodynamics activity is a simple way to introduce kids to the scientific method.

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Will storing cucumbers and tomatoes in the fridge destroy their unique flavors? Find out in this science fair project idea!

This project compares the strength of one, two, and three-ply toilet paper.

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 evaporation experiment is to learn about how different external conditions affect drying time.

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

What keeps a an item cooler, polymer crystals or ice? Find out in this cool science experiment!

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 if fats add to the flavor of food.

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

How does smell affect taste? Ready your taste buds--in this project, you'll gather some test subjects and do a taste test to see how much smell affects taste.

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

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.

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 project determines whether Styrofoam, paper, or plastic cups are best for preventing ice from melting.

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

This science fair project idea investigates if webbed feet help a duck (and others) swim.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

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

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

This science fair project idea teaches how the gases and pollution in the air affect the earth's atmosphere temperature.