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

This project explores the effectiveness of various common household ingredients in cleaning tarnished and oxidized coins.

The objective of this experiment is to conduct a ganzfeld experiment and determine if extrasensory perception (ESP) can be observed.

Explore the scientific concept of capacity by seeing how many pennies you boat can hold before it sinks!

Science fair project that tests how heat affects the chemical reaction between a seltzer tablet and a glass of water.

Study the effects of wind and temperature on evaporation. Place wet sponges in different environments, check at regular intervals, track time required to dry.

How does the size of a vibrating surface affect the pitch of a drum? Learn about drum size and pitch with this easy science fair project idea.

Learn about sound physics and do a survey experiment to explore the difference between sound and noise in this science project.

Looking for a fun project on energy? Check out this fun elementary school science fair project idea that demonstrates chemical energy in a bottle.

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

This science fair project idea teaches about the size of two different systems: the solar system and an atomic system.

Discover the force of water! This article provides step-by-step instructions for creating your own science experiment.

Science fair project that helps you better understand density by comparing the relative densities of cans of Coke and Diet Coke.

High school students recreate Michael Faraday's experiment in this cool science fair project that induces current in a coil of wire.

Explore properties of liquids and how temperature and salinity effect surface tension of liquids in this fun- filled science fair project idea.

This science experiment tests whether warm or cold water works best in making cut flowers last longer.

Analyze competed scientific studies to determine the effectiveness of ancient remedies. Create a chart that illustrates the effectiveness of these treatments.

How does a compass work? What's a magnetic field? Kids will build their own compass at home to find the answers in this great science fair project idea.

Determine the relationship between the speed of a sound and the temperature of the air it passes through.

Learn how to make a ping pong ball anemometerâa device used to measure wind speedâin this free science fair project idea.

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

In this cool science experiment, learn about magnetism and poles, and test magnet strength to find out if two magnets are twice as strong as one.

Kids will learn how to show the direction of magnetic field lines and create a permanent model using iron filings in this great science fair project idea.

Experiment with buoyancy to learn how a submarine rises and sinks in this classic science experiment.

Start your toy engines -- this is going to be a fast and friction-filled race!

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.

Check out this fun and easy 4th grade science fair project idea that tests how gravity induces positive and negative geotropism (gravitropism) in bean plants.

This science fair project idea investigates how magnetism can defy the force of gravity.

This project examines Newton's First and Second Laws of Motion with a bicycle and water balloons.