chapter 2.2

Question	Answer
What is the tittle? ما هو العنوان ؟ Image: Th[3] (image/jpeg)	1. solids 2. liquid 3. gas Image: Th T0 Cewiwl (image/jpeg)
Why are models used in science ? لماذا تستخدم النماذج في العلوم؟ Image: Cesm Architecture Diagram[1] (image/png)	To test how sometheing that is diffcult to understand. Image: Th Z3 Pks32 R (image/jpeg)
What is an analogy? ما هو القياس؟ Image: Th W406 Iscu (image/jpeg)	the heart often compared with a water pump. Image: Th Wag5 S1 Y2 (image/jpeg)
Give an example of analogy? إعطاء مثال على القياس؟ Image: Th5 Vs95 Hj4 (image/jpeg)	The heart often compared a water pump. Image: Th Gddhdkmw (image/jpeg)
What are thought models and how do scientists use them? ما هي نماذج التفكير وكيف يستخدمها العلماء؟ Image: Th Omngdvcc (image/jpeg)	Models acn also be'Thought' Models. ' Thought modles help scientists imagine Objects and events that are diffclut to understan. Image: Th Elkjrwpq (image/jpeg)
What is the difference between good and bad thought models? ما هو الفرق بين نماذج الفكر الجيد والسيئ؟ Image: Untitled (image/png)	Good scientific thought models are always supported by lots of scientific observation and evidence. Image: Th Bzyibtjn (image/jpeg)
What is the particle model? ما هو نموذج الجسيمات؟ Image: Th U4 Ti4 Q0 I (image/jpeg)	The particle model is a 'thought' model that attempts to explain the properties of substances. Image: Th O7 H8 S0 Tg (image/jpeg)
What is everything made of in the particle model? ما هو كل شيء مصنوع من نموذج الجسيمات؟ Image: Th7285 Qwjs (image/jpeg)	In the particles model all substances are thought to be made of incredibly small, hard balls called particles Image: Untitled (image/png)
explained what Models in science? وأوضح ما نماذج في العلم؟ Image: Th H3 Gsq808 (image/jpeg)	Scientists often use models to test or explin something that is diffculd to understand sometime, the model will be a physical models like the aircraft sown in Figure2.2.1. These models are commonly used by scientist and engineers to test how something acts under certan condition Image: Th Umnfpshi (image/jpeg)
What do particles in a solid do? ماذا تفعل الجزيئات في صلبة؟ Image: Untitled (image/png)	The particles in solid are closely in fixed position. Forces between nighbouring particles form bonds that hold all the partivles in the solid closely together. Image: Th Jwn2 U6 Hd (image/jpeg)
Explaining what mean bond? شرح ما يعني السندات؟ Image: Untitled (image/png)	Bonds that hold all the particles in the solid closely together. Image: Th33 Cdz692 (image/jpeg)
What happens when you increase the temperature in a solid? ماذا يحدث عند زيادة درجة الحرارة في صلبة؟ Image: Heatan4.Htm (image/gif)	If you increase the temperature, this give the particles more energy and so they vibrate more. Image: Th B7 Shorgv (image/jpeg)
What happens to the particles a liquid? ماذا يحدث للجزيئات السائل؟ Image: Th Bm6 Por7 F (image/jpeg)	In a liquid, the particles are still packed closely together but they are far more loosely bonded (joined) to their neighbours than the particles are in a solid.
What happens to the particles in a gas? ماذا يحدث للجسيمات في الغاز؟ Image: Th Q15 J6 Jo2 (image/jpeg)	The particles in a gas are spread far apart and have nothing holding them together Image: Th Whachiby (image/jpeg)
What the states have? ما هي الدول؟ Image: Th Rv17 L1 Zs (image/jpeg)	Each of the states of matter has its owe characteristic properties that can be explained using a simple model the particle model لكل حالة من حالات المادة خصائصها المميزة التي يمكن تفسيرها باستخدام نموذج بسيط لنموذج الجسيمات Image: Th5 Ji0 H9 C1 (image/jpeg)
What are the 4 things that the properties model assumes? ما هي الأشياء الأربعة التي يفترضها نموذج الخصائص؟ Image: Th P12 I3 Ti1 (image/jpeg)	1. All substances are made up of thing partier that are too small to see even with animal microscope. 2. Even if is very small amount, the particles always have energy are move. 3. the particles move about more and move faster stem premature is increased. 4. The closer the particles are to one another, the strong the attraction between them. كلما كانت الجسيمات أقرب إلى بعضها البعض، فإن الجاذبية القوية بينهما.
What are bonds? ما هي السندات؟ Image: Untitled (image/png)	Forces between neighbouring artistes farm bonds that hold all the particles in the solid. القوى بين السندات مزرعة الفنانين المجاورة التي تحمل جميع الجسيمات في صلب.
What happens when you increase the temperature in a solid? ماذا يحدث عند زيادة درجة الحرارة في صلبة؟ Image: Th B59 K3 Kdl (image/jpeg)	If you increase the temperature this give the parties more energy nod so they vibration more. إذا قمت بزيادة درجة الحرارة هذا إعطاء الأطراف المزيد من الطاقة عقد حتى أنها أكثر اهتزازا
What are the properties of solids? ما هي خصائص المواد الصلبة؟ Image: Th Zueq8 Av5 (image/jpeg)	1. a fitted shape and dose not fowl. 2. incompressible 3.expond ( get larger ) when heated and contract( get smaller ) When cooled.
How the particle model explains the physical properties of solids? كيف يفسر نموذج الجسيمات الخصائص الفيزيائية للمواد الصلبة؟ Image: Th Bh276 D4 M (image/jpeg)	1. The particles ore strongly bonds to their neighbours fixing their position 2. the particle cannot be pushed closer to each other is almost no space between them. 3. Heating causes the particles to vibrate faster making them spread further apart and causing the solid. cooling slows down vibration and the opposite nappers

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