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How do series and parallel circuits work, and which produces the brightest light in a light bulb? Construct both in this project and find out!

In this science fair project, we learn how air molecules move as a result of density, convection, and air currents.

This science fair project determines if the allelopathic chemical produced by the black walnut tree biodegrades immediately or persists over several days.

Salmonella and E.coli are common food contaminates. This experiment measures the time it takes for E.coli and Salmonella to reach hazardous levels in fish.

This science fair project idea measures out the sugar of various foods and find out whether people can correctly determine how much sugar is in common foods.

Science fair project that determines whether tapping a pomegranate with a spoon helps it release its seeds.

This science project has students study a group of volunteer liars actively lying to study the behavior of a lie. Students see if they can figure out the truth.

This science project challenges students to study the salt content in tap water and learn about electrochemistry.

Demonstrate how we are able to locate sounds, echolocation. Have a blindfolded subject locate you by the sound of your clapping.

Find out whether matte or shiny nail polish lasts longer.

What is a compound microscope? Kids find out by making one of their own in this cool science fair project.

In this science fair experiment, students learn about the scientific principles behind Doppler ultrasound.

This science fair project idea assesses the effect of music on work performance.

This project explores how and how much one family can reduce the amount of garbage they accumulate over a three month period.

This science fair project idea investigates how different disinfectants work in killing germs.

Discover if temperature settings in a fridge make a drastic difference in terms of bacterial growth.

This science fair project idea studies whether a religious sleeping schedule relates to a higher IQ.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

This science fair project will help students learn about non-vascular plants, such as mosses.

This experiment investigates if small changes in your diet can alter your basal body temperature.

The thermometer outside is dip, dip, dipping! What kind of clothes will keep you warmest this winter? This project determines which materials insulate best.

Looking for a project on machines? Get a fun elementary school science fair project idea to design a compound machine using your knowledge of simple machines.

This experiment will explore the possibility of creating an infinite object by hand.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

The projects describes the correlation between Gravel Run and Centreville Landing in terms of pH, dissolved oxygen, turbidity, and temperature.

What is a barycenter? Kids learn how gravity and mass influence the orbit of binary systems like planets and moons or stars and planets in this cool experiment.

The goal of this science fair project is to determine which cheese grows mold the fastest: Vermont Cheddar, American, Brie, or Camembert?