Discover whether cheap saline solution bottle cleans and disinfects just as well as more expensive kinds formulated with different ingredients.

This project uses toy cars to determine how friction and gravity affect cars and braking.

Tree rings can tell the age of the tree but also information about the world. This science experiment uses tree stumps to discover new facts.

This experiment uses personality assessments to evaluate if certain personality traits are more common in people with unusual first names.

This experiment explores how listening in to a one-sided conversation affects concentration.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

In this design challenge, your child will create a parachute for a small toy using typical household items.

This science fair project idea quantifies exactly how accurate the cricket thermometer is.

This project explores how well couples convey complex emotions such as envy and pride to one another solely through the sense of touch.

Kids explore how a single movable pulley can confer a mechanical advantage over a fixed pulley in this cool engineering science fair project for 2nd grade.

The objective of this science fair project is to set up a compost bin to convert food scraps and organic waste.

The goal of this science fair project is to assess the acidity levels of common food and household products using pH test strips.

This science fair project idea observes products available in the school cafeteria and waste produced by these products.

Science fair project that examines various techniques for removing wrinkles from polyester garments to understand why polyester garments become wrinkled.

Is the birthday paradox really a paradox, or just an intriguing problem that defies intuition? Find out with this birthday paradox science fair project.

This experiment evaluates if personality affects the type of movies that people prefer.

The objective of this science fair project is to understand how to stop the oxidation process from occurring in guacamole.

This basketball project explores the best way to make the perfect shot every time.

Have your child kick off their summer vacation by making a miniature water slide!

This science project idea's objective is to understand how TV mysteries change expectations of mystery stories.

This experiment investigates whether the primacy effect is observed more frequently in specific populations of people.

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

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.

The objective of this science fair project is to determine whether drawing with the right side or the left side of your brain will produce a better picture.

In this exciting and empowering challenge, your child will construct a bridge using marshmallows and toothpicks!

This experiment will use computers to examine how the famous Mandelbrot set can be manipulated in fractals.

Get a better understanding of water content by dehydrating carrots.

Science fair project that uses distillation to convert salt water into fresh water.

This science fair project idea discovers whether there are some objects that do not fall at a constant rate.