This has activities, games, and notes that correlate to the following information:
• A continuous flow of negative charges (electrons) creates an electric current. The pathway taken by an electric current is a circuit. Closed circuits allow the movement of electrical energy. Open circuits prevent the movement of electrical energy.
• Electrical energy moves through materials that are conductors (metals). Insulators (rubber, plastic, wood) do not conduct electricity well.
• Among conducting materials, the rate at which energy flows depends on the material’s resistance.
• In a series circuit, there is only one pathway for the current, but in a parallel circuit there are two or more pathways for it.
• Rubbing certain materials together creates static electricity.
• Lightning is the discharge of static electricity in the atmosphere.
• Electrical energy can be transformed into light or motion, and can produce thermal energy.
• Certain iron-bearing metals attract other such metals (also nickel and cobalt).
• Lines of force extend from the poles of a magnet in an arched pattern defining the area over which magnetic force is exerted.
• An electric current creates a magnetic field, and a moving magnetic field creates an electric current.
• A current flowing through a wire creates a magnetic field. Wrapping a wire around certain iron-bearing metals (iron nail) and creating a closed circuit is an example of a simple electromagnet.
• Benjamin Franklin, Michael Faraday, and Thomas Edison made important discoveries about electricity.
Many of the foldables and activities have multiple variations to allow you to differentiate for those students who are more independent and those who may need the information provided to them.
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