Explore joule heating and resistance vs. temperature with this cool electricity science fair project that gets kids melting ice cubes with resistors.

Check out this cool and free middle school science fair project idea on how to make a solar oven.

This project examines germs and their spread in households. The goal is to learn how to stop the spread of germs and other diseases.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science fair project idea quantifies the effect of specific food sources on red worm (Eisenia foetida) livelihood.

Students will investigate the thermal conductivity of metals by learning how to measure thermal conductivity with this fun and easy science fair project idea.

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.

This project examines the vulnerability of fruit flies, Drosophila melanigaster, to irradiation. Will exposure result in mutations?

Learn how milk freezes into ice cream. Does the fat content affect how quickly the milk freezes? What is salt's role in the freezing process?

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.

Did you know your body is full of simple machines? This project looks at one of the third-class levers in the human body: your arm!

Learn about the Atwood Machine and Newton's 2nd Law with a pulley and masses of different weights in this physics science project.

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

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

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

In this fun activity, your child will create their very own solar oven to bake s'mores!

The goal of this science fair project is to evaluate the effect of heat on sound wave frequency.

This science project examines the effectiveness of various types of laundry detergents on stains trapped on a white handkerchief.

This science fair project idea builds models of various types of bridges and then determines which bridge design is the strongest.

This science fair project idea determines if a particular chemical has an effect (increase or decrease) on the heart rate of Daphnia.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

Have fun with bubbles and find out why there are bubbles in your tap water in this cool science fair project idea.

The apparent movement of the sun has been used to keep time since the bronze age. In this science fair project, kids plot solar time against mean solar time.

Is there more air particulate matter in an urban or rural environment? Test your knowledge with this science fair project.

The objective of this project is to examine the ways in which a passive solar house may contribute to conservation of energy.

The goal of this science fair project was to evaluate the ElectroMagnetic Field produced by Radio Frequency Identification transmitters.

Get a cool science project idea on a photovoltaic cell and explore the various factors that affect the energy output of the photovoltaic cell.

The objective of this science fair project it to determine whether adding ethanol alcohol to gasoline slows the run time of a motor.

The project researches how lubricants affect the mechanical advantage of a pulley.

This science fair project idea focuses on the use a conductivity device to determine the ionic concentrations of hard water.