http://www.ck12.org Chapter 5. Energy
BY-NC 3.0
- User:Havelock/He.Wikipedia. A chain of paper clips held up by magnetism. The copyright holder of this file
allows anyone to use it for any purpose, provided that the copyright holder is properly attributed - Christopher Auyeung. Objects can become permanently magnetized. CC BY-NC 3.0
- Left: User:Teravolt/Wikipedia; Right: User:Yug/Wikimedia Commons. Natural magnetic materials such as
magnetite have been recognized for thousands of years. Left: CC BY 3.0; Right: Public Domain - Laura Guerin. Schematic illustrating how earth is a magnet. CC BY-NC 3.0
- Laura Guerin. Earth has two north poles, geographic north and magnetic north. CC BY-NC 3.0
- Laura Guerin. Earth’s magnetosphere. CC BY-NC 3.0
- Christopher Auyeung (CK-12 Foundation), using Earth clip art by yeKcim from Open Clip Art Library. Earth
with reversed poles. CC BY-NC 3.0 (Earth svg released into the public domain) - Courtesy of the U.S. Geological Survey. Magnetic patterns in seafloor spreading proves that magnetic reversals
occur. Public Domain - Laura Guerin. Diagram illustrating how the earth generates a magnetic field. CC BY-NC 3.0
- Image Editor. Diagram illustrating the deflection of the solar wind. CC BY 2.0
- U.S. Fish and Wildlife Service Southeast Region. Loggerhead turtles are aided by Earth’s magnetic field when
they migrate. CC BY 2.0 - Hand by Wizard191, modified by Christopher Auyeung for CK-12 Foundation. Right hand rule applied to
magnetic fields. CC BY-NC 3.0 (hand available under public domain)
183.. Hans Christian Oersted. Public Domain - Christopher Auyeung. Direction of magnetic field relative to current. CC BY-NC 3.0
- Christopher Auyeung. Schematic of a solenoid. CC BY-NC 3.0
- Will Scullin. Pinball machines contain multiple solenoids that operate bumpers, switches, and other moving
parts. CC BY 2.0 - Christopher Auyeung. Schematic of an electromagnet. CC BY-NC 3.0
- Christopher Auyeung. Schematic illustrating how a doorbell works. CC BY-NC 3.0
- Christopher Auyeung. Schematic of an electromagnetic motor. CC BY-NC 3.0
- Christopher Auyeung. Generic schematic for a coil and magnet configuration. CC BY-NC 3.0
- Christopher Auyeung. Visualization of how a coil and magnet can generate electricity. CC BY-NC 3.0
- Christopher Auyeung. Basic schematic of a generator. CC BY-NC 3.0
- User:Tomia/Wikimedia Commons. Schematic of a dam providing hydroelectric power. CC BY 2.5
- Christopher Auyeung. Schematic of a generic transformer. CC BY-NC 3.0
- Christopher Auyeung. Schematic of a step up transformer. CC BY-NC 3.0
- Christopher Auyeung. Schematic of a step down transformer. CC BY-NC 3.0
- Zachary Wilson. Schematic of a typical power grid. CC BY-NC 3.0
- Zachary Wilson. Linear schematic focused on transformers.. CC BY-NC 3.0