This science fair idea project identifies the active ingredients in soap and experiments with the properties of soap.

Kids will discover the meat science behind the meat they eat, and find out how to use safe chemistry to make meat more tender.

In this windmill model science project, you will build a windmill to learn about wheel-and-axle machines and how these simple machines are used to do work.

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

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

The goal of this science fair project is to discover the science behind carbonated soft drinks and apply this knowledge to create a new one.

Kids learn about potential energy, and mechanical energy, and how to make power from water with one of our favorite renewable energy projects for kids.

This science fair project demonstrates the principles of reflection through simple experiments involving mirrors and light.

This science fair project idea examines liquids of different densities.

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

This science project idea examines the effect of microwaving on various objects.

The purpose of this science fair project is to build a basic radio.

The objective of this science fair project is to analyze the effects of salinity and temperature on water.

This science fair project idea investigates how color affects temperature.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project idea produces varying pitches of sound.

This science fair project idea identifies trees using a dichotomous key.

This science fair project idea explores the different properties of matter.

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

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

This science fair project idea examines the reason boats are shaped and engineered.

This science fair project idea explores which fruit molds the fastest.

Science fair project that uses muriatic acid to develop fingerprints that would otherwise be invisible.

This science fair project idea deals with the qualities of shade on a sunny day.

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

This science fair project idea researches the effects of acid rain on plant growth.

This science fair project idea discovers which brand of bubblegum produces the largest bubbles.

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

Science fair project that determines whether mass and weight are the same or different.

In this science project, baking powder and vinegar are used to simulate the action of a fire extinguisher.