In this interactive tutorial, students will analyze series circuits and parallel circuits along with complex circuits composed of elements in series and parallel. Learners will use schematics to help them understand these circuits....

Article explores direct current circuits, alternating current circuits, and the nervous system.

Explains what alternating current and direct current are and what they are used for.

[Free Registration/Login may be required to access all resource tools.] Describes the difference between direct current and alternating current.

The Canada Science and Technology Museum answers some of the most common questions about electricity. For example, get the definition of electricity, the difference between alternating and direct currents, and learn how a fuse works.

Direct current, defined and illustrated.

This lesson focuses on Mains Electricity and Alternating Current. Electrical supplies can be direct current (DC) or alternating current (AC). The UK mains electricity supply is about 230V at 50 Hz. It explains the difference between AC...

This site describes and demonstrates a number of important concepts related to direct current circuits. Information on many of the featured topics, such as the use of Ohm's law and Kirchhoff's laws. Examples of featured topics include...

A page that is updated daily with NPR news and special reports from across the Middle East. Also provides direct access to several thousand archived NPR stories on the Middle East with audio and transcripts available.

Multi-media resources including video, PowerPoint, articles and maps from which students explore current issues in the Middle East and their relation to U.S. policy and interpret political cartoons on Middle East politics.

Activity for students in which they survey historical and current events of Turkey, analyze the intersection of government, democracy, and religion, and finally, identify the criteria of a democratic and stable government. Group and...

[Free Registration/Login may be required to access all resource tools.] Defines electric current and relates electric current to different materials (insulators and conductors).

A summation of the War of the Currents featuring Nikola Tesla and Thomas Edison against a backdrop of The Columbian Exposition and an execution.

A general summary of electrical resistance including a comparison of AC and DC current.

[Free Registration/Login Required] The New York Times covers the latest news, issues and events occurring in the Middle East. In addition to breaking stories, the New York Times also provides focused information and maps.

This site covers the latest news, issues and events occuring in the Middle East. Content includes BBC radio broadcasts, in-depth reports, and video.

Explains electric current, how it produces heat, and the difference between a direct current and an alternating current.

Kids learn about electric current in the science of physics including the flow of electrons, measurement, alternating, and direct current.

Read here about the industrial "war" that took place between the patents on alternating and direct current.

Demonstrate convection currents using a clear box, red food coloring, ice cubes, colored pencils and index cards. Get all the directions you need for this simple lab.

Color-coded image of ocean currents depicts directional flow and speed of the currents across the globe.

Illustration showing the difference between a direct current and an alternating current.

This lesson focuses on Electrical circuits including standard symbols for electrical components, a list of components and what they do, a discussion of various types of resistors, and alternating current and direct current. Links to a...

Learners explore electrification in the 20th century. Some topics investigated are rural electrification, power generators, and direct current (DC). The resource consists of historical information, a timeline, and a personal essay by a...