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 demonstrates that light travels in straight lines and experiments with reflecting light.

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

In this experiment you observe and determine how well your cat uses his whiskers to navigate through a maze.

This fun science project helps to investigate how much water can a plant take up and release in a certain period of time through the process of transpiration.

This science fair project idea investigates if heat from direct sunlight is hotter than heat from reflected sunlight.

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 science fair project focuses on a polymer called hydrogel super absorbent crystal which absorbs water, swelling to many times its original size.

This project explores ways to prevent static electrical shocks.

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

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 science fair project demonstrates the magic of arches by challenging students to stack telephone books on top of eggs without breaking them.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

What is biodiversity? Kids will study different areas of their backyards to see which is the most diverse to learn about biodiversity and random sampling.

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

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 fair project idea identifies trees using a dichotomous key.

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

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

This science fair project idea explores whether people have an innate feel for the passing of time from a few seconds to 20 minutes.

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

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.

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

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

examine how passive solar heating works, measure temperature in a parked car on a sunny day. ways to use passive solar heating as an alternative, energy

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.