7+Physics

**7th Grade: Physics **


Key Idea 4: Energy exists in many forms, and when these forms change energy is conserved.** ||~  ||
 * = **Month** || **December** ||~  ||
 * = **Duration** || **3 Weeks** ||~  ||
 * = **Content** || **Physics: Simple Machines, Magnets, Electricity** ||~  ||
 * = **Key Ideas** || **Standard 4: The Physical Setting
 * = **Standards** || * //**Performance Indicator 4.4: Observe and describe the properties of sound, light, magnetism, and electricity.**//
 * **4.4d: Electrical energy can be produced from a variety of energy sources and can be transformed into almost any other form of energy.**
 * **4.4e: Electrical circuits provide a means of transferring electrical energy.**
 * **4.4f: Without touching them, material that has been electrically charged attracts uncharged material, and may either attract or repel other charged material.**
 * **4.4g: Without direct contact, a magnet attracts certain materials and either attracts or repels other magnets. The attractive force of a magnet is greatest at its poles.**
 * //**Performance Indicator 5.2: Observe, describe and compare effects of forces (gravity, electric current, and magnetism) on the motion of objects**//
 * **5.2b: Electric currents and magnets can exert a force on each other.**
 * **5.2c: Machines transfer mechanical energy from one object to another.**
 * **5.2e: A machine can be made more efficient by reducing friction. Some common ways of reducing friction include lubricating or waxing surfaces.**
 * **5.2f: Machines can change the direction or amount of force, or the distance or speed of force required to do work.**
 * **5.2g: Simple machines include a lever, a pulley, a wheel and axle, and an inclined plane. A complex machine uses a combination of interacting simple machines, e.g., a bicycle.** ||  ||
 * = **Relevant Vocabulary** || **pulley, inclined plane, wheel and axle, screw, lever, wedge, static electricity, current electricity, source, wires, load, switch, circuit, series, parallel, magnets, magnetic field, charge, electron, proton** ||  ||
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 * **Labs ** ||  || <span style="display: block; color: rgb(222, 18, 18); text-align: center;"> ||
 * **<span style="display: block; color: rgb(222, 18, 18); text-align: center;">Additional Resources ** || ||