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

This science fair project idea compares biodiversity between drops of water.

This science fair project idea explores how far the âdanger zoneâ is from different types of caution signs.

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

This science project encourages students to investigate the Mozart Effect, the idea that classical music promotes learning.

Chlorine and chloramine are added to our tap water to kill harmful microorganisms. What is the best way to filter these disinfectants in your drinking water?

Wonder why bugs always fly around your lights at night? This experiment determines whether insects are attracted to the heat or the light.

This project determines the age of a tree using a growth factor chart instead of cutting the tree down to count the rings in its base.

This project explores ways to prevent static electrical shocks.

Glass is see-through, but usually you can still see that it is there. In this experiment, we use baby oil to make glass go completely invisible.

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

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

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

This science project teaches students about organic farming and the benefits and disadvantages of commercial plant food.

This science fair project will help students learn about non-vascular plants, such as mosses.

This project examines if computer screen and text color affect retention and if people subconsciously prefer combinations of colors that help their retention.

This science research project challenges students to think of more effective lobster farming methods.

How do organic materials become soil? This science experiment measures what materials biodegrade.

This science project has students collect wood samples and invent new uses for different types of wood based on its properties.

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

In this fun experiment, we'll find out how color affects heat absorption!

In this science fair project, kids start a chemical reaction that will make a balloon inflate itself!

This fun experiment provides a concrete and visually striking illustration of photosynthesis.

This science fair project idea examines how well individuals can remember a story they were told and how accurately they pass that story along.

Which music genres have the fastest tempos? The slowest? This experiment determines if there's a relationship between beats per minute in a song and its genre.

This project examines what types of objects burn and which burn faster and cleaner.

Do lefties just write different or are their brains different? This science project has students explore what it means to be left handed.

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 demonstrates the principles of reflection through simple experiments involving mirrors and light.

What are the benefits of good posture? Kids will learn about the cognitive effects of good posture through conducting and observing a controlled experiment.