What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

Make stunning pendulum waves and learn the math behind the patterns generated with this cool and easy science project.

The actual factors affecting friction may surprise you! Learn about the coefficient of friction and put some trigonometry into practice in this science project.

Use applied math to model orbital eccentricity in this cool science fair project for 7th grade.

This experiment will explore whether fractals really repeat themselves infinitely.

This science fair project idea determines if crystals will absorb food dye and if colors will mix by the process of diffusion.

Examine how the tire treads of a bicycle affect its rolling frictional force. Change tires, test speed performance on different terrains.

Science fair project that examines the relationship between fluid flow rate, pressure, and resistance.

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 determines if the temperature of rubber effects how high it bounces.

Science fair project that tests the correlation between outdoor temperature or weather conditions and the number of visible stars at night.

Learn about the horizontal and vertical motion of a projectile in this cool physics science fair project idea for advanced middle and high school students.

This science fair project focuses on the use of a conductivity device that will determine if a substance dissolved in water can or cannot conduct electricity.

The purpose of this project is to determine if there are fluctuations in the rising and the setting of the sun and the position of the earth as it rotates.

This experiment evaluates whether the phenomenon of "choice blindness" occurs more often with men or women.

In this science fair project, students evaluate test subjects to determine if certain personality traits are more common in frequent users of social media.

Check out this fun science fair project idea to explore how building on different types of soil affects the relative stability of buildings in an earthquake.

Does the temperature of a magnet affect its strength? Learn about the relationship between magnets and temperature with this cool physics science fair project.

This science project challenges students to study deer behavior in their natural habitat- the feeding patterns, social behaviors, male to female ratio, etc.

Explore this fun science fair project idea to investigate different microclimates in and around your home and their effects on the plant and animal life.

Discover that the absorbency of fabrics depend largely on the shape and structure of the individual fibers that make up the fabric.

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

We're all familiar with the idea that some songs âget stuck in your head.â This experiment explores the validity of that claim.

In this cool physics experiment, use double plane mirrors at various angles to learn about light reflection. Then, see if you can solve a puzzling problem!

Kids will make a beautiful rainbow in a jar and learn what enables different types of liquids to remain distinct in separate layers.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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.

Assess physical and mental states of subject before and after drinking coffee. Compare initial expectations with their reported conditions.