This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

What is the hydrologic cycle and how does it work? Check out this fun and easy science project where you will model and learn about Earth's water cycle!

What heats up fasterâwater or soil? 5th grade students test the specific heat of water against the specific heat of sand in this great science fair project.

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

This science fair project idea explores the different properties of matter.

This fun science fair project idea helps students learn how acid rains are formed and explore how acid rain damages the environment.

Check out this fun science fair project to make a vinegar and baking soda balloon and demonstrate how gas is created as a result of the chemical reaction.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

The objective of this science fair project is to observe the differences in heat absorption for darker colors vs. lighter colors.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

This science fair project idea provides evidence that air is everywhere and takes up space.

The goal of this science fair project is to demonstrate different ways to generate static electricity and record its effects.

The objective of this science fair project is to examine the basic principles of air pressure using simple materials like a balloon, straw and string.

This is a quick, easy science fair project that conveys the idea of density to upper elementary students.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

This science fair project idea examines the reason boats are shaped and engineered.

This project explores whether nails, toothpicks, straws, or pen nibs are best for applying ink to paper.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

Science fair project in which you will learn more about the natural world by preserving and identifying different animal tracks.

Design a survival kit. Brainstorm various survival scenarios. Address basic human requirements and natural resources. Describe each tool as well uses.

This science fair project idea explores whether white light can be separated into different colors.

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

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 investigates whether tapping the top or the side of the can will stop a vigorously-shaken can of soda from exploding.

The objective of this science fair project is to study the photosynthesis process and demonstrate the important role that leaves play in the process.

In this science fair project, students use the streak test to tell minerals apart from each other.

This experiment examines whether storing your orange juice at different temperatures affects its acidity.

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

Will the shape of an ice cube impact how fast the ice melts?