Examine how a battery can be made from everyday materials.

Science fair project that compares tap water and bottled water for the presence of common impurities.

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

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

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

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.

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.

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

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.

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

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

Household items and a bit of imagination will create a CSI kit for your child to have investigative adventures with. Explore the world of forensic science!

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

Make an adorable nut buddy by crafting nature people out of nuts in shells! Buddies will take on their own personalities depending on the materials you use.

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

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

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

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

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

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.

Learn with makes water molecules work with this fun and easy science activity!