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Download 2nd 6 Weeks - Forms of Energy, Circuits and Force
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2nd Six Weeks - Vocabulary Forms of Energy Energy – what is needed to do work or cause change Mechanical energy – energy produced by a machine or moving part Sound energy – energy produced from vibration that you can hear Thermal energy – energy that causes a transfer of heat between materials Electrical energy – energy produced by the movement of electrons Light energy – radiant energy that our eyes can see from the visible part of the electromagnetic spectrum Electricity Electricity - a form of energy that is produced when electrons move from one place to another Electric circuit - a complete pathway that electrons flow through Open circuit - circuit that is not connected in come area, so electrons do not flow through Closed circuit - complete circuit that allows electrons to flow through completely Electric current - the constant flow of electrons Conductor - a material that allows electricity or heat energy to pass through easily Insulator - a material that does not allow electricity or heat energy to pass through easily Electromagnet - a temporary magnet formed by passing an electric current through a wire coiled around an iron core Series circuit - the electrical devices are connected in one continuous loop Parallel circuit - an electric circuit in which each device has its own separate loop Force Force - a push or pull that acts on an object Inertia - the tendency of an object to resist change Push - a force that moves something away Pull - a force that moves something closer Friction - force that opposes the movement of an object Work - using force to move an object Magnetism - a force that pulls magnetic materials across a distance. Gravity - the force that pulls things towards earth Motion - change in position of an object Kinetic energy - energy of movement Potential energy - energy at rest