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ملخص كتاب العلوم والحياة للصف الخامس

Total questions: 169

Worksheet time: 7hrs 30mins

Name
Class
Date
1.

ما هي العدسة؟

4 lines
2.

ما هو المجهر؟

4 lines
3.

من كان أول من اكتشف العدسة المكبرة؟

(a)  

4.

What is a cell?

4 lines
5.

ما هي خلية النبات؟

4 lines
6.

ما هي الخلية الحيوانية؟

4 lines
7.

ما هي أكبر خلية؟

4 lines
8.

ما هو أطول خلية؟

(a)  

9.

ما وظيفة جدار الخلية؟

4 lines
10.

ما هو غشاء الخلية؟

4 lines
11.

ما هي المادة الوراثية؟

4 lines
12.

ماذا تحتوي النواة؟

4 lines
13.

ما هي وظيفة البلاستيدات الخضراء؟

4 lines
14.

ماذا تفعل البلاستيدات عديمة اللون؟

(a)  

15.

ما هو السيتوبلازم؟

4 lines
16.

ما هي الكائنات وحيدة الخلية؟

4 lines
17.

ما هي الكائنات متعددة الخلايا؟

4 lines
18.

ما هي الخلايا بدائية النواة؟

4 lines
19.

ما هي الخلايا حقيقية النواة؟

4 lines
20.

لماذا سميت الخلية بهذا الاسم؟

4 lines
21.

لماذا كان ليونهوك قادرًا على رؤية الكائنات أحادية الخلية بينما لم يكن روبرت هوك قادرًا على ذلك؟

4 lines
22.

لماذا يتم استخدام المجهر لمراقبة خلايا الكائنات الحية؟

4 lines
23.

ما هي الأهمية العلمية للمجهر؟

4 lines
24.

لماذا تختلف الخلايا في الشكل والحجم والبنية؟

4 lines
25.

لماذا يتم محاطة خلية النبات بجدار خلوي؟

4 lines
26.

ما أهمية المادة الوراثية؟

4 lines
27.

لماذا تموت الخلية إذا تمزق غشاء الخلية؟

4 lines
28.

لماذا النواة مهمة في الخلية؟

4 lines
29.

لماذا تتحول بعض أجزاء النبات إلى اللون الأخضر؟

4 lines
30.

لماذا تختلف ألوان الزهور والفواكه؟

4 lines
31.

لماذا تعتبر البكتيريا كائنًا وحيد الخلية؟

4 lines
32.

لماذا تعتبر الخلية البكتيرية بدائية النواة؟

4 lines
33.

ماذا يحدث إذا لم يتم اختراع المجهر؟

4 lines
34.

ماذا يحدث إذا تم تمزق غشاء الخلية؟

4 lines
35.

ماذا يحدث إذا تمت إزالة النواة من الخلية؟

4 lines
36.

ماذا يحدث إذا تمت إزالة البلاستيدات الخضراء من الخلية؟

4 lines
37.

ماذا يحدث عندما تتجمع خلايا مشابهة في الشكل والبنية والوظيفة؟

4 lines
38.

ماذا يحدث عندما تتجمع أنسجة مختلفة؟

4 lines
39.

ماذا يحدث عندما تتجمع أعضاء مختلفة؟

4 lines
40.

ما هو العنصر الأساسي للمادة؟

a)

ذرة

b)

جزيء

c)

مركب

d)

عنصر

41.

ما هي المادة النقية؟

a)

مادة مصنوعة من نوع واحد من الجسيمات

b)

خليط من جزيئات مختلفة

c)

مركب

d)

عنصر

42.

ما هو الخليط؟

a)

مجموعة من مادتين أو أكثر

b)

مادة واحدة

c)

مادة نقية

d)

عنصر

43.

ما هو الخليط المتجانس؟

a)

خليط يبدو كأنه مادة واحدة

b)

خليط يحتوي على مكونات مختلفة مرئية

c)

مادة نقية

d)

عنصر

44.

ما هو الخليط غير المتجانس؟

a)

خليط يحتوي على مكونات مختلفة مرئية

b)

خليط يبدو كأنه مادة واحدة

c)

مادة نقية

d)

عنصر

45.

ما هي السبائك؟

a)

خليط صلب متجانس

b)

خليط غير متجانس

c)

مواد نقية

d)

عناصر

46.

ما هو العنصر؟

a)

مادة نقية تتكون من نوع واحد من الذرات

b)

خليط من ذرات مختلفة

c)

مركب

d)

خليط متجانس

47.

ما هو المركب؟

a)

مادة نقية تتكون من عنصرين أو أكثر

b)

خليط من مواد مختلفة

c)

عنصر

d)

خليط متجانس

48.

هل تعتبر الكرسي مادة؟ ولماذا؟

a)

نعم، لأنها تحتوي على كتلة وحجم

b)

لا، لأنها ليست مادة نقية

c)

نعم، لأنها مصنوعة من الخشب

d)

لا، لأنها خليط

49.

هل الذهب مادة نقية؟ ولماذا؟

a)

نعم، لأنه يتكون من نوع واحد من الجسيمات

b)

لا، لأنه خليط

c)

نعم، لأنه عنصر

d)

لا، لأنه مركب

50.

ما هو سبب اعتبار الكرسي مادة؟

4 lines
51.

ما سبب اعتبار الذهب مادة نقية

4 lines
52.

?* تعتبر المكسرات مادة غير نقية .

4 lines
53.

يعتبر الهواء مخلوط

4 lines
54.

What is the reason for considering a mixture a non-pure material?

4 lines
55.

What is the reason for considering the mixture of water and salt a homogeneous mixture?

4 lines
56.

What is the reason for considering the mixture of water and oil a heterogeneous mixture?

4 lines
57.

What is the reason for resorting to the production of alloys?

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58.

What is the reason for considering oxygen an element?

4 lines
59.

What is the reason for using iron in the construction of bridges and buildings?

4 lines
60.

What is the reason for using aluminum in the construction of aircraft structures?

4 lines
61.

What is the reason for considering hydrogen gas a safe and clean fuel?

4 lines
62.

What is the reason for considering sodium chloride a compound?

4 lines
63.

What is the reason for storing sodium under a layer of kerosene?

4 lines
64.

What is the reason for the importance of chlorine?

4 lines
65.

What is the reason for the importance of mercury in human life?

4 lines
66.

What happens when elements lose their properties upon union?

4 lines
67.

What happens when mixing two or more materials in unspecified proportions?

4 lines
68.

What happens when dissolving salt in water?

4 lines
69.

What happens when mixing sand with water?

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70.

What happens when two or more substances are mixed in non-fixed proportions?

a)

A mixture is produced

b)

A homogeneous mixture is produced

c)

A heterogeneous mixture is produced

d)

Alloy is produced

e)

Aluminum is produced

71.

What happens when salt is dissolved in water?

a)

A mixture is produced

b)

A homogeneous mixture is produced

c)

A heterogeneous mixture is produced

d)

Alloy is produced

e)

Aluminum is produced

72.

What happens when sand is mixed with water?

a)

A mixture is produced

b)

A homogeneous mixture is produced

c)

A heterogeneous mixture is produced

d)

Alloy is produced

e)

Aluminum is produced

73.

What happens when a small amount of pure solid is mixed with another solid in certain proportions and melted?

a)

A mixture is produced

b)

An alloy is produced

c)

A homogeneous mixture is produced

d)

A compound is produced

e)

Aluminum is produced

74.

What happens when similar aluminum atoms gather?

a)

A mixture is produced

b)

An alloy is produced

c)

Aluminum is produced

d)

A compound is produced

e)

A homogeneous mixture is produced

75.

What happens if iron is used to make airplane structures?

a)

The airplane will fly

b)

The airplane will crash due to weight

c)

The airplane will be stable

d)

The airplane will be faster

e)

The airplane will be heavier

76.

What happens when two elements combine in specific proportions?

a)

A mixture is produced

b)

A compound is produced

c)

An alloy is produced

d)

A homogeneous mixture is produced

e)

A heterogeneous mixture is produced

77.

What happens when chlorine combines with sodium?

a)

A mixture is produced

b)

A compound is produced

c)

Chloride of sodium is produced

d)

A homogeneous mixture is produced

e)

A heterogeneous mixture is produced

78.

What happens when a mixture of iron filings and sulfur is heated and a magnet is brought close to the result?

a)

Iron filings are attracted

b)

Iron filings are not attracted because a new substance is formed

c)

A homogeneous mixture is produced

d)

A compound is produced

e)

A heterogeneous mixture is produced

79.

What is the method of separating mixtures by hand?

a)

Separation by hand

b)

Separation by winnowing

c)

Separation by magnet

d)

Separation by decantation

e)

Separation by sieve

80.

What is the method of separating mixtures using a sieve?

a)

Separation by sieve

b)

Separation by hand

c)

Separation by winnowing

d)

Separation by magnet

e)

Separation by decantation

81.

What is the method of separating wheat from chaff?

a)

Separation by decantation

b)

Separation by winnowing

c)

Separation by magnet

d)

Separation by hand

e)

Separation by sieve

82.

What is the method of separating mixtures using a magnet?

a)

Separation by sieve

b)

Separation by winnowing

c)

Separation by hand

d)

Separation by decantation

e)

Separation by magnet

83.

What is the method of separating a solid suspended in a liquid?

a)

Separation by sieve

b)

Separation by decantation

c)

Separation by winnowing

d)

Separation by magnet

e)

Separation by hand

84.

What is the method of completely separating a solid suspended in a liquid using a funnel and filter paper?

a)

Separation by sieve

b)

Separation by hand

c)

Separation by winnowing

d)

Separation by magnet

e)

Separation by filtration

85.

What is the method of filtration?

a)

A method to separate a solid suspended in a liquid using a funnel and filter paper.

b)

A method to separate a solid dissolved in a liquid using heat.

c)

A method to separate immiscible liquids using a separating funnel.

86.

What is the method of evaporation?

a)

A method to separate a solid dissolved in a liquid using heat.

b)

A method to separate a solid suspended in a liquid.

c)

A method to separate immiscible liquids.

87.

What is the method of distillation?

a)

A method to separate a solid dissolved in a liquid.

b)

A method to separate a solid suspended in a liquid.

c)

A method to separate immiscible liquids.

88.

What is the state of matter in solid?

a)

Particles are tightly packed and cohesive.

b)

Particles are loosely packed and can flow.

c)

Particles are far apart and move freely.

89.

What is the physical change?

a)

A change in the shape or size of matter without altering its properties.

b)

A change that results in a new substance.

c)

A change that affects only the color of the substance.

90.

What is the chemical change?

a)

A change that results in a new substance with different properties.

b)

A change in the shape or size of matter.

c)

A change that affects only the color of the substance.

91.

Why is the method of filtration used in wastewater treatment?

4 lines
92.

Why is the method of distillation used in extracting salts?

4 lines
93.

Why do we place wet clothes under sunlight?

4 lines
94.

Why is the Dead Sea called the salty treasure?

4 lines
95.

What is the reason for extracting salts by evaporation?

4 lines
96.

What is the reason for placing wet clothes under sunlight?

4 lines
97.

Why is the Dead Sea called a saline treasure?

4 lines
98.

What is the reason for our bodies covering with a layer of salts when swimming in the Dead Sea?

4 lines
99.

What is the reason for the formation of clouds?

4 lines
100.

Why do scientists prefer distillation over evaporation?

4 lines
101.

What is the reason for separating water before oil using a separating funnel?

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102.

Why can't a mixture of oil and water be separated by filtration?

4 lines
103.

Why can't the components of the water compound be separated by distillation?

4 lines
104.

Why do we smell perfume from a distance?

4 lines
105.

Why is wood classified as a solid material?

4 lines
106.

Why is water classified as a liquid material?

4 lines
107.

Why is oxygen classified as a gaseous material?

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108.

Why is shaping clay considered a physical change?

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109.

Why is inflating a balloon considered a physical change?

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110.

Is the formation of clay / grinding sugar a physical change? The reason is that it changed the shape of the material and the properties of the material did not change.

4 lines
111.

Is blowing up a balloon a physical change? The reason is that it changed the shape and size of the material and the properties of the material did not change.

4 lines
112.

Is melting butter / ice a physical change? The reason is that it changed the state of the material and the properties of the material did not change.

4 lines
113.

Is burning sugar / rotting fruit / magnesium burning a chemical change? The reason is that it changed the properties of the material, and a new substance with new properties was formed that differs from the original material.

4 lines
114.

Is cutting food into small pieces a physical change? The reason is that the process of cutting food into small pieces is considered a physical change, and the process of converting food into digested food by enzymes is a chemical change.

4 lines
115.

What is the method of filtration used for? It is used to separate a solid substance suspended in a liquid.

4 lines
116.

What is the method of evaporation used for? It is used to separate a dissolved solid from a liquid by heat.

4 lines
117.

What is the method of distillation used for? It is used to separate a dissolved solid from a liquid while obtaining the solute and solvent.

4 lines
118.

What is the method of using a separating funnel? It is used to separate two immiscible liquids.

4 lines
119.

What is the method used to separate a dissolved solid in a liquid while obtaining the solute and solvent?

a)

Distillation

b)

Filtration

c)

Evaporation

d)

Condensation

120.

What is the main source of energy on the surface of the Earth?

a)

The sun

b)

Wind

c)

Water

d)

Geothermal

121.

What is the energy that an object possesses due to its position under the influence of a certain force?

a)

Potential energy

b)

Kinetic energy

c)

Thermal energy

d)

Chemical energy

122.

What is the phenomenon of generating electric current from the movement of a coil between magnetic poles?

a)

Electromagnetic induction

b)

Electrolysis

c)

Magnetism

d)

Static electricity

123.

What is the device used to convert mechanical energy into electrical energy?

a)

Generator

b)

Motor

c)

Transformer

d)

Battery

124.

What is the form of energy produced by a light source?

a)

Light energy

b)

Sound energy

c)

Nuclear energy

d)

Thermal energy

125.

What is the form of energy produced by a thermal source?

a)

Thermal energy

b)

Kinetic energy

c)

Potential energy

d)

Chemical energy

126.

What is the form of energy produced by an electrical source?

a)

Electrical energy

b)

Mechanical energy

c)

Chemical energy

d)

Nuclear energy

127.

Who designed the first hydroelectric generator and is known as the man who invented the 20th century?

a)

Nikola Tesla

b)

Thomas Edison

c)

Albert Einstein

d)

Isaac Newton

128.

Who was the first to invent the electric light bulb and the first machine to record sound?

a)

Thomas Edison

b)

Nikola Tesla

c)

Alexander Graham Bell

d)

Michael Faraday

129.

What is produced by an electric source?

4 lines
130.

Who designed the first hydroelectric generator?

a)

Non-Renewable Energy Sources

b)

Nikola Tesla

c)

Thomas Edison

d)

Law of Conservation of Energy

e)

Renewable Energy Sources

131.

Who was the first to invent the electric light bulb?

a)

Thomas Edison

b)

Non-Renewable Energy Sources

c)

Nikola Tesla

d)

Law of Conservation of Energy

e)

Renewable Energy Sources

132.

What does the Law of Conservation of Energy state?

4 lines
133.

What are renewable energy sources?

4 lines
134.

What are non-renewable energy sources?

4 lines
135.

What is energy consumption rationalization?

4 lines
136.

List the transformations of energy from the sun.

a)

Light / Thermal

b)

Kinetic

c)

Chemical

d)

Electrical

137.

What are the transformations of energy in an iron?

4 lines
138.

What are the transformations of energy in a fan?

4 lines
139.

What are the transformations of energy in a television?

4 lines
140.

What are the transformations of energy in a telephone?

4 lines
141.

What are the transformations of energy in solar cells?

4 lines
142.

What are the transformations of energy in a light bulb?

4 lines
143.

What are the transformations of energy in a generator?

4 lines
144.

What are the transformations of energy in a battery?

4 lines
145.

Why is the sun considered the primary energy source on Earth?

4 lines
146.

The sun is the main source of energy on the surface of the Earth.

4 lines
147.

We need food every day.

4 lines
148.

We feel exhausted and tired during the day in Ramadan.

4 lines
149.

The car needs fuel.

4 lines
150.

The solar heater is used in homes.

4 lines
151.

Solar cells are placed on satellites.

4 lines
152.

Some toys contain a spring.

4 lines
153.

Large trucks consume more brakes than small cars.

4 lines
154.

The reason for the movement of spring toys.

4 lines
155.

Running water falls from top to bottom, forming waterfalls.

4 lines
156.

The arrow's thrust on the bow when released.

4 lines
157.

We cannot rely on running water to generate electricity in Gaza.

4 lines
158.

We cannot rely on wind energy to generate electricity in Gaza.

4 lines
159.

Energy is neither created nor destroyed.

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160.

Electricity is generated in the electric generator.

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161.

أدى التطور الصناعي إلى تلوث البيئة

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162.

عند ضغط النابض .

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163.

عند ترك النابض بعد ضغطه

4 lines
164.

عند ترك كرة من أعلى قمة جبل

4 lines
165.

عند فرك اليدين ببعضهم فترة من الوقت

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166.

لو لم نتناول الطعام لفترة طويلة

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167.

اهتزاز قطعة من المطاط مربوطة بين مسمارين

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168.

عند حركة ملف بين قطبي مغناطيس

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169.

الكثار من استخدام مصادر الطاقة الغير متجددة?

4 lines

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