This science fair project idea observes products available in the school cafeteria and waste produced by these products.

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.

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.

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!

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

This science fair project enhances the understanding and awareness of energy use and explores the concept of energy efficient.

Learn how to be a bird scientist in this simple project of watching feathered friends in their habitat.

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.

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.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

In this experiment you explore how tectonic plates move to create land and expand bodies of water.

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

Collect meteorite dust with a magnet in your very own backyard! The objective of this science fair project is to gather meteorite dust to study outer space.

In this project students experiment with making music using only glasses of water.

In this project children discover, identify, and sort seeds from a variety of fruits and vegetables

This project explores whether plants can live and grow when "watered" with juice, soda, or milk.

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

In this science fair project, students make their own rain gauge to measure rainfall.

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

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

Do different types of oil mix or stack? Find out in this science fair project idea!

In this science fair project, kids observe the expansion of liquids when frozen and determine if some liquids expand more than others in the freezing process.

Ever wonder why refrigerator lights turn off when you close the door? Does the darkness prevent food from spoiling? This experiment, determines just that.