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

Soil and energy don't go together, right? That would be as bizarre as a pairing of peanut butter and marshmallows! Well, actually...

Explore concepts in current and coltage with these Van de Graaff generator experiments.

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

Learn how to demagnetize a magnet and how physics can explain this phenomenon with this enlightening science fair project.

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Learn about what happens to a current-carrying wire in a magnetic field in this cool electromagnetism experiment!

Discover which battery composition (type) lasts the longest.

How does a flashlight work? Kids will make a complete circuit and explore how voltage contributes to brightness with this science fair project idea.

What is a series circuit and how does it work? Learn about voltage, electrical current, and resistors in this cool science experiment!

Explore the electrical energy present in energy drinks.

Determine whether a hot liquid cools off faster when liquid is added before or after a two minute wait.

Create a DIY Electromagnet! Using a 9v battery to create an electrical field around a nail, students explore electromagnetism in this cool science project idea.

In this experiment, recycled objects are separated to demonstrate how mixtures are made and the variance in the physical properties of their ingredients.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Kids will make a homemade electroscope and explain how it detects static charges through induction in this fun science fair project idea.

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.

Examine which metal conducts more heat by boiling water in 3 pans made of aluminum, copper, and stainless steel.

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.

Create safe lightning for kids! They'll learn how to make lightning at home with this fun science fair project idea illustrating static charges and grounding.

A great science fair project on solar oven design that helps kids learn about solar power and solar heating.

This science fair project idea discovers if an artificial light source will yield the same plant health and growth rates as light from the sun.

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.

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.

High school students learn about resistance, resistivity, and if copper is the best metal conductor in this great physics science fair project idea.

This science fair project idea lets you can create your own Faraday Cage!

The goal of this science fair project is to attempt to build a perpetual motion machine and analyze the Laws of Thermodynamics.

This science fair project idea determines which brand of batteries have the longest life.

In this fun science fair project idea learn about the multiple sources of radio waves and fin out how difficult it is to block them.

Check out this cool science project idea to learn about rocks and explore the cycles of formation, breakdown, and reformation of rocks in the Earth's crust.