class 7 Physics Notes, Study notes of Physics

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Class # Science Quick Revision Notes Chapters Included: - Heat and. Temperature ° Motion - Elechricity and. Circuits * Photosynthesis Name: Date: ; Heat and Temperature = Heat: SSR E © Heat is a form of energy. = : ——— @ Tt flows from a hot object to a cold object. = E ta $ ¢ ¢ aca pet ‘e -@ Temperature: © Temperature tells how hot or cold something is. = ik el 1? i 12 \e —— @ Tt is measured using a thermometer. lyn a ** 7] WIP Fy ig —— Motion _ Motion i is the ae in — of an ae with = — Example: ie Moving car ‘il Wisia bias } i\ —° re bird ————— 7 Fr } ij =@ Types of Motion = @ Rectilinear motion — ig / © Circular motion i a Periodic motion } i } | iu 2 } e Speed tells how fast an object moves. | i" Formula: as E Speed = Distance + Time St ed ————— fo t | Example: Conductors and d Insulators ee — Conductors e Materials that allow electricity to pass. Examples: : © Copper . a Aluminium Conner SES @ Insulators e Materials that do not allow electricity to pass. Examples: = © Plastic © Rubber Plastic Sarre \ @ : Photosynthesis The process by which green plants make food. cet ‘Plants use: . . : : = 4 =e Sunlight ilies : —~ e Carbon dioxide 2@— oo. oe =e Weer L* vi Carbor dione = ; i \ | Tee — © Food (glucose) = e Oxygen : eT Fe al ) ae 4 ¥9 @) ante =e