lesson 3 energy and device , unit 3 , concept 1 , الصف الرابع التيرم الثاني 2026 скачать в хорошем качестве

lesson 3 energy and device , unit 3 , concept 1 , الصف الرابع التيرم الثاني 2026

Energy and Devices – Input, Output, and Wasted Energy | Grade 4 Science This lesson explains how energy is used in devices and how it changes from one form to another. Students learn about input energy, output energy, and wasted energy through clear and familiar examples from daily life. The lesson includes devices such as: 🎸 Guitar and drum 🕒 Wall clock 🔥 Electric heater 💡 Electric lamp 🥤 Blender 🔔 Hand bell 🧺 Washing machine 🧹 Vacuum cleaner 🔊 Speakers 👕 Electric iron Students also learn about energy chains, including: 🍎 Energy chain from eating food → moving → walking → riding a bicycle 💡 Energy chain in an electric lamp The lesson explains the Law of Conservation of Energy, which states that energy cannot be created or destroyed, but it can change from one form to another. This lesson is fully aligned with the Grade 4 Science curriculum and helps students understand energy concepts in a simple and practical way. 🔹 Motivational Question 💡 Can you choose one device and identify its input energy, output energy, and wasted energy? 🔹 Hashtags #Energy #EnergyAndDevices #InputEnergy #OutputEnergy #WastedEnergy #EnergyChain #EnergyTransformation #LawOfConservationOfEnergy #Grade4Science #PrimaryScience Thank you for watching. I'm Mrs. Nagwan Wagdy, and this is my channel Science Day Blaraby. Follow us to learn more! 🌟 لو حابة