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ساينس سادتة لغات وتجريبي ترم اول ٢٠٢٦/٢٠٢٥المعاصر المنهج الجديد النسخة الجديدة شرح وحل تمارين U n i t 1 Concept 1 ساينس الصف السادس الابتدائى الترم الاول الوحدة الاولى الكونسبت التالت الدرس الخامس والسادس Activity 11 Magnetism and ElectricityIn this activity, we will know how a magnet can generate electricity. • A scientist made an experiment, where : G a l v a n o m e t e r : He tightly coiled a wire around a hollow cylinder and he connected this coil to a galvanometer as shown in the figure. It is a device used to detect the flow of small electric currents. Coil Hollow cylinder Then he placed a bar magnet in different distances from the coil, and he noticed that : Galvanometer • When the magnet was placed at rest away from the coil : The needle of the galvanometer did not move, which indicates that there was no electric current flow. • When the magnet was moved toward and into the coil (cylinder) : The needle of the galvanometer moved to one side, which indicates that there was an electric current flow. • When the magnet was moved rapidly back and forth inside the coil : The needle of the galvanometer also moved rapidly to both sides so, he concluded that when the movement of the magnet increases, the generated electric current increases. • When the number of loops in coil increases : The movement of the needle of the galvanometer will increase which indicates that the amount of generated electric current (voltage) will increase. tightly hollow cylinder magnetic bar ﻟﻢ اﻻ i n d i c a t e ﻗﻀﯿﺐ back and forth أن r a p i d l y اﻻ g a l v a n o m e t e r ذھﺎﺑًﺎ r e s t وإﯾﺎﺑًﺎ اﻟﻤﻲ v o l t a g e اﻟﺠﻠﻔﺎﻧﻮﻣﺪر ﺳﻜﻮن 143 اﻟﻜﮭﺮﺑﻰ Unit 1 Concept 3 " • From the previous experiment, we can conclude that : • There are two factors that cause the increase of the amount of generated electric current (voltage) in a coil, which are : Increasing the speed of the magnet movement. Increasing the number of loops in the coil. • The relation between magnetism and electricity is used in : Electric motor Electric generator Electric transform Activity 13 S T E i n A c t i o n • You have learned a lot about electricity in this concept, and previously you have learned about several important body systems. • Now, you will know how an electrical system can improve the function of a body system. P a c e m a k e r • The heart is a muscle that beats constantly for the duration of our lives. • The heart has a natural pacemaker which creates electrical currents that it sends out through the heart, causing the heart to contract. • When the natural pacemaker starts to fail, sometimes we need an artificial pacemaker to keep the heart beating correctly. Artificial pacemaker It is a device that operates with a battery and inserted into the chest to stimulate the heart muscle to beat at regular intervals. Its f u n c t i o n : Artificial pacemaker It helps the heart muscle to beat at regular intervals for patients who have a slow or irregular heartbeats. How to build the artificial pacemaker To build an artificial pacemaker, you need : A battery. - An insulated electric wire. A motherboard. The future of the artificial pacemakers • Artificial pacemakers have been in use for over 60 years. • The artificial pacemaker has a built-in antenna to send information to physicians (doctors), so they know how the heart is working. • Artificial pacemakers are developed by the year and becoming smaller too. • Today, doctors can place a tiny, effective artificial pacemaker within the heart with a simple sergury. 150 اﻻ improﺿﺮﯾﺎتﻣﻨﻈﻢ p a c e S e r g u r y a n t e n n a اﻻﻻي c o n s t a n t y وم اوي n a t u a l اوﯾﻮا a r t i f i c i a l اﻟﻤﻦ b e a t 148 L E S S O N S I X Activity 1 2 Record Evidence Like A scientist. شرح الساينس مع صور وفيديوهات توضيحية ممتعة /علوم لغات حل جميع تقييمات الوزارة والواجب المنزلى والاداء الصفى والتقييمات الاسبوعية للخامس والرابع الابتدائى 2026 حل جميع التقييمات الاسبوعية والواجب المنزلى والاداء الصفى ومراجعة اثناء الحل science primary 4 and primary 5 2024/2025 simplify the science for #المنهج #الجديد #almoaser #science #safaafares #station #online #children #5 #4 #grade4 #grde5 #new 4# #برايمرى 4# #5 #ساينس #دروس #كونسبت #ليسون #يونت #تقييمات #اسبوعية #اداء_صفى #واجب منزلى #اسبوعى #تقييم #شرح #حل #المنهج_الجديد #سادتة #g6 #GRAD6 #PRIM6 #primary6 #p6 #الصف_السادس_الابتداىى #2026 #سادس هشرح من كتاب المعاصر بطريقة سهلة وممتعة للاطفال كل دروس الساينس للصف الرابع الابتدائى والخامس والسادس الابتدائى لمدارس اللغات والتجريبى والتجريبي المميز كل كونسبت هيتشرح هيتراجع عليه ويتحل عليه امتحانين كما انه متاح الساينس انضموا لجروبات الواتس للاستفسارات المجانية https://chat.whatsapp.com/BvLqgy28QFJ... ساينس مس صافى مس صفاء ساينس دروس ساينس اون لاين شرح ساينس رابعة وخامسة وسادتة ترم اول وتانى مع دكتر صافى دكتورة صفاء فارس بكالوريوس علوم ودبلومة البيوكيمسترى خبرة فى تدريس الساينس والتعامل مع الاطفال وتخطى صعوبات ال