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 determines which method of hand cleansing is the most effective.

Handedness and footedness refer to whether people prefer to use their left or right hand and foot. In this experiment, test hand and foot dominance.

Will potatoes spud or sprout faster in dry, dark, or cold conditions? Find out in this science fair project idea!

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

How does salinity affect the point at which water freezes? Kids will find out by performing this cool melting ice experiment.

This science fair project teaches students about wilting and browning of salad greens.

In this enlightening transpiration experiment, kids will explore how the loss of water from plants through transpiration contributes to the water cycle.

Have you ever wondered how many numbers most people can memorize? Test your friends to find out!

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

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project examines how seeds hitchhike on animals and clothing.

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

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

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

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

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

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

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

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

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

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

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

This science fair project idea examines whether adding gelatin causes a solid to have a higher melting point and/or melt slower.

This science fair project idea explores whether the process used to dry the beans we eat for food renders them unviable.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.