Science Buddies
Science Buddies: Sliding Light: How to Make a Dimmer Switch With a Pencil
In this electronics science fair project, students will make a simple dimmer switch and investigate the relationship between the resistance in the circuit and the amount of light produced. The Science Buddies project ideas are set up...
Florida State University
Florida State University: Molecular Expressions: Magnetic Fields and Compass Orientation
Simulate the creation of an induced magnetic field through the use of a simple electric circuit. An interactive demonstration is included.
Physics Aviary
Physics Aviary: Rl in Ac Lab
This lab was designed to help students understand the difference between circuits powered by DC and circuits powered by AC. Students can see that simple changes in frequency lead to changes in the potential difference across the...
Physics Aviary
Physics Aviary: Rc in Ac Lab
This lab was designed to help students understand the difference between circuits powered by DC and circuits powered by AC. Students can see that simple changes in frequency lead to changes in the potential difference across the...
TeachEngineering
Teach Engineering: Electrons on the Move
Students learn about current electricity and necessary conditions for the existence of an electric current. Students construct a simple electric circuit and a galvanic cell to help them understand voltage, current and resistance.
National High Magnetic Field Laboratory
Magnet Academy: Transformers
Use this interactive, simple transformer to make a complete circuit via induction using two separate coils with iron cores inside.
TeachEngineering
Teach Engineering: Bulbs & Batteries in a Row
Everyday we are surrounded by circuits that use "in parallel" and "in series" circuitry. Complicated circuits designed by engineers are composed of many simpler parallel and series circuits. During this activity, students build a simple...
Creative Science Centre
Creative Science Centre: Mobile Phone Absorption Wavemeter
An absorption wavemeter is a device which can make measurements on the strength of radio emissions and so this instrument is an essential item for investigating the mobile phone. In principle an absorption meter is a simple device that...
SRI International
Performance Assessment Links in Science: Mystery Card 3
Straightforward introduction to electrical circuits using minimal materials and time. Students learn about the basics of electrical circuits by experimenting with "mystery cards" -- index cards with hidden aluminum foil used to conduct...
TeachEngineering
Teach Engineering: How Does a Robot Work?
This lesson introduces electricity, batteries and motors using a LEGO MINDSTORMS NXT robot. The associated activity guides students to build a simple LEGO NXT set-up and see the practical implementation of the concepts discussed. Before...
Science4Fun
Science4 Fun: Resistors, Capacitors, and Inductors
Electric circuits are used to provide a path to electric current. They commonly use three basic electrical components, which are resistors, capacitors, and insulators. They affect the electric current and changes the behavior of the...
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Ohm's Law
For the teacher planning a lesson or for the student preparing for a project or presentation. This page describes a series of simple activities related to the voltage-current-resistance relationship.
Hunkins Experiments
Hunkin's Experiments: How to Make Oxygen From a Battery
Hunkin's Experiments is a group of simple cartoon illustrations of scientific principles. Some would work well in the classroom, but others have little value beyond entertaining students. All of the projects are easy to do. This one...
Maryland Science Center
Maryland Science Center: Happy Birthday, Harry Potter! [Pdf]
Using your knowledge of electricity, learn how to make a 'magic' wand like Harry Potter's that will light up on your command.
Science Education Resource Center at Carleton College
Serc: Getting the Lightbulb to Light Up
Students construct a simple electrical circuit using wires, batteries, and a lightbulb. From constructing a circuit the students will discover that when energy is produced there is heat.
Science Education Resource Center at Carleton College
Serc: Mn Step: Why Placing Wires Correctly on a Light Bulb Is Important
Students will learn about simple electric circuits as they investigate the structure of a light bulb and how electricity flows through it.
Concord Consortium
Mobile Inquiry Technology: Moving Magnets
This investigation has students examining how electric and magnetic charges are related. They will look at how an electric current is affected by the proximity of a magnet.
Creative Science Centre
Creative Science Centre: Led's
There are so many different types of LEDs on the market (even of the same size and color), how do you tell the difference between them and which one you should use for your particular application? The simple tests descibed here compare...
Channel 4 Learning
4 L: Science Essentials: Get Physical
Find a review of many aspects of the physical world. Simple explanations of electricity, gravity, and the solar system. Included are materials for teachers to use for enrichment.
CK-12 Foundation
Ck 12: Algebra: Determining Asymptotes by Division
[Free Registration/Login may be required to access all resource tools.] Solve circuitry problems that involve rational functions.
CK-12 Foundation
Ck 12: Interactive Physics for High School
This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.
Creative Science Centre
Creative Science Centre: Mini Light Beam Receiver
A very simple device to convert light into sound can be made by wiring a solar cell directly to headphones (or an earpiece). The solar cell converts light into electricity and the headphones convert electricity into sound. The limitation...
Walter Fendt
Walter Fendt: Apps Zur Physik
This site, in German, offers numerous apps that illustrate common physics principles. Apps are organized into categories: mechanics, oscillations and waves, electrodynamics, optics, thermodynamics, the theory of relativity, physics of...
National High Magnetic Field Laboratory
Magnet Academy: Induced Current
A current can be induced in a conducting loop if it is exposed to a changing magnetic field. (Java tutorial)