Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

This science fair project idea examines various dead zones and investigates the cause and how it can be fixed.

This project uses science and art to help students learn and teach others about Earth's endangered and extinct species.

Research different measurement systems, design your own new or improved system that can measure something difficult to measure with traditional systems.

This experiment evaluates whether there is a relationship between grade point average (GPA) and dating status.

In this experiment two environments will be compared: a room with interior design that uses correct Feng Shui versus one with incorrect Feng Shui.

It has long been believed that weather influences mood and behavior. This experiment will evaluate if weather can really impact the way people feel.

This experiment investigates whether the psychological phenomenon of the halo effect can be used to explain people's perceptions of others.

Science fair project that determines which foods and drinks contain the highest amount of glucose.

This science project examines the history of earthquakes and what we can do to prevent future disasters.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

In this science fair project, students evaluate the alleged pain-relieving properties of amber.

This science project uses Mohsâ Hardness Test to show kids how to compare the hardness of different types of minerals.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Test whether spot magnets can help improve the symptoms of an injury.

This activity challenges your student to use spatial reasoning and computational thinking to program multiple robots.

This science fair project idea explores discover whether mixing solutions of equal distances from neutral pH (7) will create a solution close to pH 7.

This experiment evaluates how a diet that is rich in "mood-enhancing" foods affects the way people feel over several weeks.

This science fair project explores discover whether the acidity of sour candy is comparable to that of battery acid.

Demonstrate which cooking method gets rid of the most fat.

The objective of this science fair project is to explore the relationship between acidic and basic compounds.

Check out this cool science fair project on identifying rocks and minerals for kids.

This science fair project idea explores whether factors such as temperature and concentration affect the pH of a solution.

This project examines which style of central-air system filter traps the most particles from the air.

This experiment will explore whether fractals really repeat themselves infinitely.

This experiment investigates if stress alters body temperature.

This experiment will examine and precisely measure the amount of sugar in various sodas.

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

see whether all liquids evaporate at the same rate. In other words, does water evaporate at the same rate as juice?