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Topic: Electricity and Magnetism 

Science

 Standard 9.  Understands the sources and properties of energy
  Level I (Grade K-2)
   Benchmark 3.Knows that electricity in circuits can produce light, heat, sound, and magnetic effects
    Knowledge/skill statements
     1.Knows that electricity in circuits can produce light
     2.Knows that electricity in circuits can produce heat
     3.Knows that electricity in circuits can produce sound
     4.Knows that electricity in circuits can produce magnetic effects
  Level III (Grade 6-8)
   Benchmark 5.Knows that electrical circuits provide a means of transferring electrical energy to produce heat, light, sound, and chemical changes
    Knowledge/skill statements
     1.Knows that electrical circuits transfer electrical energy to produce heat
     2.Knows that electrical circuits transfer electrical energy to produce light
     3.Knows that electrical circuits transfer electrical energy to produce sound
     4.Knows that electrical circuits transfer electrical energy to produce chemical changes
   Benchmark 10.Knows the organization of a simple electrical circuit (e.g., battery or generator, wire, a complete loop through which the electrical current can pass)
    Knowledge/skill statements
     1.Knows that an electrical current needs a complete loop through which to pass
     2.Knows that a simple electrical circuit can be formed from a battery, wire, and a complete loop
 Standard 10.  Understands forces and motion
  Level I (Grade K-2)
   Benchmark 1.Knows that magnets can be used to make some things move without being touched
    Knowledge/skill statements
     1.Knows that some things can be moved without physically touching them
     2.Knows that magnetism is not a physical object, but affects physical objects
  Level II (Grade 3-5)
   Benchmark 1.Knows that magnets attract and repel each other and attract certain kinds of other materials (e.g., iron, steel)
    Knowledge/skill statements
     1.Knows that magnets can attract other magnets
     2.Knows that magnets can repel other magnets
     3.Knows that magnets attract certain kinds of materials
     4.Knows that magnets attract iron
     5.Knows that magnets attract steel
   Benchmark 3.Knows that electrically charged material pulls on all other materials and can attract or repel other charged materials
    Knowledge/skill statements
     1.Knows that electrically charged material pulls on other materials
     2.Knows that electrically charged material can attract other charged materials
     3.Knows that electrically charged material can repel other charged materials
  Level III (Grade 6-8)
   Benchmark 2.Knows that just as electric currents can produce magnetic forces, magnets can cause electric currents
    Knowledge/skill statements
     1.Knows that electric currents can produce magnetic forces
     2.Knows that magnets can cause electric currents
  Level IV (Grade 9-12)
   Benchmark 1.Knows that magnetic forces are very closely related to electric forces and can be thought of as different aspects of a single electromagnetic force (moving electric charges produce magnetic forces and moving magnets produce electric forces); the interplay of these forces is the basis for electric motors, generators, radio, television, and many other modern technologies
    Knowledge/skill statements
     1.Knows that magnetic forces are related to electric forces
     2.Knows that magnetic forces and electric forces can be thought of as different aspects of a single electromagnetic force
     3.Knows that moving electric charges produce magnetic forces
     4.Knows that moving magnets produce electric forces
     5.Knows that the interplay of electric and magnetic forces is the basis for electric motors
     6.Knows that the interplay of electric and magnetic forces is the basis for generators
     7.Knows that the interplay of electric and magnetic forces is the basis for radio
     8.Knows that the interplay of electric and magnetic forces is the basis for television
     9.Knows that the interplay of electric and magnetic forces is the basis for many other modern technologies
   Benchmark 2.Knows that nuclear forces are much stronger than electromagnetic forces, which are vastly stronger than gravitational forces; the strength of nuclear forces explains why great amounts of energy are released from the nuclear reactions in atomic or hydrogen bombs, and in the Sun and other stars
    Knowledge/skill statements
     1.Knows that nuclear forces are stronger than electromagnetic forces
     2.Knows that electromagnetic forces are stronger than gravitational forces
     3.Knows that the strength of nuclear force explains the great amounts of energy released from nuclear reactions in atomic bombs
     4.Knows that the strength of nuclear force explains the great amounts of energy released from nuclear reactions in hydrogen bombs
     5.Knows that the strength of nuclear force explains the release of energy from nuclear reactions in the Sun
     6.Knows that the strength of nuclear force explains the release of energy from nuclear reactions in the stars
   Benchmark 4.Knows that the strength of the electric force between two charged objects is proportional to the charges (opposite charges attract whereas like charges repel) and, as with gravitation, inversely proportional to the square of the distance between them
    Knowledge/skill statements
     1.Knows that the strength of the electric force between two charged objects is proportional to charges
     2.Knows that objects with opposite charges attract one other
     3.Knows that objects with the same charge repel one another
     4.Knows that the strength of the electric force between charged objects is inversely proportional to the square of the distance between them
   Benchmark 5.Knows that electromagnetic forces exist within and between atoms (e.g., electric forces between oppositely charged electrons and protons hold atoms and molecules together, and are involved in all chemical reactions; electric forces hold solid and liquid materials together and act between objects when they are in contact)
    Knowledge/skill statements
     1.Knows that electromagnetic forces exist within atoms
     2.Knows that electromagnetic forces exist between atoms
     3.Knows that electric forces between oppositely charged electrons and protons hold molecules together
     4.Knows that electric forces between oppositely charged electrons and protons hold atoms together
     5.Knows that electric forces are involved in all chemical reactions
     6.Knows that electric forces hold solid materials together
     7.Knows that electric forces hold liquid materials together
     8.Knows that electric forces act between objects when they are in contact
   Benchmark 6.Knows how different kinds of materials respond to electric forces (e.g., as insulators, semiconductors, conductors, superconductors)
    Knowledge/skill statements
     1.Knows how different kinds of materials, such as superconductors, respond to electric forces
     2.Knows how different kinds of materials, such as insulators, respond to electric forces
     3.Knows how different kinds of materials, such as semiconductors, respond to electric forces
     4.Knows how different kinds of materials, such as conductors, respond to electric forces
   Benchmark 7.Knows that materials that contain equal proportions of positive and negative charges are electrically neutral, but a very small excess or deficit of negative charges in a material produces noticeable electric forces
    Knowledge/skill statements
     1.Knows that materials that contain equal proportions of positive and negative charges are neutral
     2.Knows that a small excess of negative charges in a material produces noticeable electric forces
     3.Knows that a small deficit of negative charges in a material produces noticeable electric forces