This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

This science fair project idea tests the efficacy of both synthetic and natural antibiotics.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project idea tests the efficiency of short term memory.

This science fair project idea examines which is the best way to get rid of water stains (stains caused by just water) on fabric.

Easy and cool middle school science fair project on ripening process of fruits and measures you can take to prevent fruits from rotting and delay ripening.

This science experiment tests if dog saliva can really help heal wounds.

Slime mold is no longer classified as fungi! So what is it? In this cool science fair project, learn how to grow slime mold and explore its behavior.

Formulate a hypothesis and use the scientific method to determine the guess what is hidden in a box. Test abilities of volunteers, without opening box.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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 science fair project idea measures the growth of bread dough and finds out how long it takes for the dough to stop rising.

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

The purpose of this science fair project is to determine whether Green Bags, with or without refrigeration, are most effective in preserving food.

Science fair project which measures the shadow cast by a meter stick at various times in order to predict the circumference of the earth.

In this cool experiment, learn how to find specific gravity of minerals using liquids of different densities to see which substances and items sink and float.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This optics-based science fair project idea teaches kids about real and virtual images with a mind-bending candle illusion inspired by Pepper's Ghost.

In this science fair project, students will try to discover if test subjects can detect the presence of Monosodium Glutumate (MSG) in food.

Construct batteries that make electricity from fruits with this fun science fair project.

This science fair project idea explores the different properties & interactions of sugar molecules.

Research hemispheric brain dominance in order to determine if you have a dominant side. Test foot, ear dominance. Record observations.

4th graders construct an ocean food web to learn about consumers and trophic levels, food webs, and food chains in this cool ecology science fair project.

Check out this fun science project idea on ecological succession and learn the main difference between primary and secondary succession.

The purpose of this science project is to determine which chemical best lowers the temperature of water in a cold pack and if the amount affects its use.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

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.

Study emulsifiers and learn how they are used in food science, medicine, soaps and cosmetics. Identify which materials are created using an emulsifier.

This project examines the concentration of dissolved oxygen in water, with and without oil.