In this open-ended activity, students will be given a small quantity of three types of materials and asked to design a prototype for “something that will improve the school.”

Does your middle school teenager have good reflexes? Gauge his reaction time in this science and math activity that requires only a yardstick and a friend.

Here is a fun middle school science project on factors affecting solubility. Learn how dissolved solids can "crash out" to form crystals when conditions change.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

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

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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.

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 will help students learn about non-vascular plants, such as mosses.

This project compares the strength of one, two, and three-ply toilet paper.

Here is a nifty science experiment using Epsom salts to make "frost" appear on a piece of glass.

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

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

Challenge your learner to design and build a city of their own in this creative engineering activity.

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.

In this CD hovercraft science project, students will construct their own DIY hovercraft.

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

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

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.

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

This science fair project explores how osmotic pressure forces water through the root up into the plant.

This experiment tests which gender is better at catching how a magician performs his tricks.