TheScienceTeacher
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Physics
SI Units
SI units are an International System of units that are recognized and used in calculations by scientists world wide. Fundamental SI Units Derived units (from the fundamental units)
Class 7: Forces
•A force is a push or pull on a body. •Force causes motion: change in speed, direction, shape or size. •SI Unit of Force: Newton : N Types of forces:
Class 7: Electricity
An electric circuit is a path for electric charge (electrons) to flow along. Circuit Symbols Series and Parallel Circuits In a series circuit, all circuit components are connected in one single loop.
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