dars
lab
free school lessons
Uzbekistan
Uzbekistan
🏫
School
Sections
🏫
Uzbek school curriculum
🏫
School
My cabinet
Badges
About
Grade
1
2
3
4
5
6
7
8
9
10
11
🌐
EN
UZ
O‘zbekcha
EN
English
RU
Русский
AR
العربية
Log in
🏫
School
Term 1
Unit 1 Chemical Reactions and Their Environmental Impacts (Lesson 1 Types of Chemical Reactions, Lesson 2 Combustion Reactions and Environmental Pollution, Lesson 3 Smoking and Its Hazards); Unit 2 Electricity and Magnetism (Lesson 1 Electric Current, Lesson 2 Electric Circuits, Lesson 3 Electric and Magnetic Forces); Unit 3 Variation of Traits in Living Organisms (Lesson 1 Heredity and Variation of Traits, Lesson 2 Natural Selection and Artificial Selection); Unit 4 Dating Planet Earth (Lesson 1 The Fossil Record, Lesson 2 Geologic Time); Term 1 review
1
أنواع التفاعلات ومتسلسلة النشاط الكيميائي (١)
Unit 1 Chemical Reactions and Their Environmental Impacts, opener; Lesson 1 Types of Chemical Reactions (A): direct combination, decomposition, metals with oxygen, acids and water, the chemical reactivity series
2
أنواع التفاعلات (٢): تبادل الشركاء والإلكترونات
Lesson 1 Types of Chemical Reactions (B): double replacement, neutralisation and the universal indicator, acid with a salt, precipitation, hard water, oxidation and reduction as electron transfer
3
الاحتراق (١): النار والأكاسيد والميثان
Lesson 2 Combustion Reactions and Environmental Pollution (A): the fire triangle, ignition point and flammability, matchsticks, burning of metals and non-metals, complete and incomplete combustion of hydrocarbons
4
الاحتراق (٢): اللهب والنواتج وهواء أنظف
Lesson 2 Combustion Reactions and Environmental Pollution (B): flame colour, detecting the products, properties of combustion products, the black cloud, car exhaust, industry, catalytic converters and scrubbers
5
التدخين ومخاطره
Lesson 3 Smoking and Its Hazards: what tobacco and its smoke contain, effects on the body, types of smoking, active and passive exposure, damage to the environment, how to say no
6
التيار الكهربي (١): الشحنة والتيار والجهد
Unit 2 Electricity and Magnetism, opener; Lesson 1 Electric Current (A): free electrons and current, current intensity (I = Q/t), potential difference, electromotive force
7
التيار الكهربي (٢): الأعمدة والمقاومة والرموز
Lesson 1 Electric Current (B): cells in series and in parallel, electric resistance, fixed and variable resistors, the factors that affect resistance, circuit symbols
8
الدوائر الكهربية: قانون أوم والمقاومات وتكلفة الكهرباء
Lesson 2 Electric Circuits: Ohm's law, resistors in series and in parallel, electric power and energy, the cost of household electricity, safety
9
القوى الكهربية والمغناطيسية: المغناطيسات الكهربية والمحركات والمولدات
Lesson 3 Electric and Magnetic Forces: the magnetic effect of current, the electromagnet and its strength, force on a current-carrying wire, the electric motor and its torque, the electric generator
10
الوراثة (١): الجينات والأليلات وقانون مندل الأول
Unit 3 Variation of Traits in Living Organisms, opener; Lesson 1 Heredity and Variation of Traits (A): DNA, genes and chromosomes, alleles, dominant and recessive, genotype and phenotype, Mendel's first law, the Punnett square
11
الوراثة (٢): صفتان معًا والحاملون والإرشاد الوراثي
Lesson 1 Heredity and Variation of Traits (B): Mendel's second law (9 : 3 : 3 : 1), genetic diversity, inherited diseases and carriers, marriage between close relatives, screening and counselling
12
الجماعات الحيوية والانتخاب الطبيعي والتربية
Lesson 2 Natural Selection and Artificial Selection: populations and their growth, carrying capacity, environmental and genetic factors, natural selection, artificial selection and its techniques
13
الحفريات وتنوع الحياة
Unit 4 Dating Planet Earth, opener; Lesson 1 The Fossil Record: how fossils form and their types, the fossil record, mass extinction, evolutionary relationships, past environments, why life forms differ, comparative anatomy
14
تاريخ الأرض: مقياس الزمن والطبقات وعمر النصف
Lesson 2 Geologic Time: the rock record, the geologic time scale, timeline of Earth's history, reading rock layers, relative age (superposition, index fossils), absolute age (half-life)
15
مراجعة الفصل الأول: التفاعلات والكهرباء والوراثة
Term 1 review (Units 1–4) and Darslab's own review tasks
☰ Year plan · Science (Arabic)
Egypt
›
Preparatory 3
›
Science (Arabic)
›
Week 14
تاريخ الأرض: مقياس الزمن والطبقات وعمر النصف
Week 14 · Lesson 2 Geologic Time: the rock record, the geologic time scale, timeline of Earth's history, reading rock layers, relative age (superposition, index fossils), absolute age (half-life) · 3 lessons
الدرس 1
الدرس 2
الدرس 3
الاختبار
8
الواجب المنزلي
5
فعّل JavaScript في المتصفح لتبدأ الاختبار.
السابق
الأسبوع 14 ·
الاضمحلال الإشعاعي وفترة عمر النصف
التالي
الأسبوع 14 · الواجب المنزلي
