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Magnetic Domain:
Microscopic areas of atoms where the magnetic fields are aligned.
Ferromagnetic: A naturally magnetic class of materials where the magnetic domains are ordered and do not cancel out.
Magnetic Field: Lines showing the shape and exent of a magnetic field around a permanent magnet or a moving charged object. To signify a field coming directly out of the plane of a page, dots are used. To signify a field going directly into the page, an X is used.
Right Hand Rule. RHR:
The fingers extend or curl in the direction of the magnetic field.
The outstretched thumb points in the direction of conventional current, or the direction of a positively charged moving particle.
A line perpendicular to the palm indicates the direction of the magnetic force.
Mass Spectrometer:
A device that magnetically separates charged ions according to their mass. A magnetic field is used to accomplish this separation.
Rapid Study Kit for "Title":
Flash Movie
Flash Game
Flash Card
Core Concept Tutorial
Problem Solving Drill
Review Cheat Sheet
"Title" Tutorial Summary :
Magnetism is a naturally occurring phenomena. In most materials, the magnetic domains are randomly aligned. However, in some cases, they are all aligned to produce a magnet. This creates a magnetic field that extends around the object, moving from North to South. A magnetic field can also be created from a moving charge, or current. The right hand rule is used to visualize this field. When a charge moves through an existing magnetic field, a magnetic force is exerted on it. There are many examples in science and technology that utilize magnetism.
Tutorial Features:
Specific Tutorial Features:
Diagrams showing various magnetic fields.
Illustrations showing all aspects of the right hand rule.
Series Features:
Concept map showing inter-connections of new concepts in this tutorial and those previously introduced.
Definition slides introduce terms as they are needed.
Visual representation of concepts
Animated examples—worked out step by step
A concise summary is given at the conclusion of the tutorial.
