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Term 1

Unit 1 Aquatic Ecosystems (topics 1-1 The Hydrosphere on Planet Earth, 1-2 Chemical Properties of Water, 1-3 Physical Properties of Water, 1-4 Aqueous Solutions and Their Properties, 1-5 Biological Importance of Water, 1-6 Biological Adaptations of Organisms in the Aquatic Environment, 1-7 Effect of Atmospheric Gases on Aquatic Environments, 1-8 Effect of Light and Solar Radiation, 1-9 Effect of Water Pressure on Living Organisms, 1-10 Ecological Balance and the Role of Humans); Unit 2 The Atmosphere (2-1 Components and Layers of the Atmosphere, 2-2 Chemical Reactions in the Atmosphere, 2-3 Physical Factors and Their Effect on the Atmosphere, 2-4 The Atmosphere and the Role of Science in Its Sustainability); Term 1 review

1الغلاف المائي ودورة الماءUnit 1 Aquatic Ecosystems, opener and introduction; 1-1 The Hydrosphere on Planet Earth: four spheres, the share of salt, fresh and frozen water, the water cycle, transpiration and excretion 2الخواص الكيميائية للماء1-2 Chemical Properties of Water: the water molecule, polarity, hydrogen bonds and boiling point, water as a universal solvent (NaCl), ionic equilibrium, hydrolysis of salts, pH and its measurement 3الكثافة ونقطة ٤ °C1-3 Physical Properties of Water (A): density, relative density, the hydrometer, what changes the density of ocean water, ocean currents, the 4 °C maximum density and why lakes freeze from the top 4الحرارة والحرارة النوعية والقانون Q = mcΔt1-3 Physical Properties of Water (B): heat and temperature, internal energy, the Kelvin scale, specific heat and Q = mcΔt with worked examples, sea breeze, latent heat of vaporisation, effects on marine organisms 5المحاليل والأسموزية وأنواع الخلايا1-4 Properties of Aqueous Solutions: solution, solvent and solute, colligative properties (lower vapour pressure, higher boiling point, lower freezing point, osmosis and osmotic pressure); start of 1-5 Biological Importance of Water: water in cells, prokaryotes and eukaryotes, the four kingdoms 6الخلايا والأيض والتكيفات1-5 Biological Importance of Water (rest): organelles, water and metabolism, enzymes; 1-6 Biological Adaptations of Organisms in the Aquatic Environment: structural, behavioural and physiological adaptations, osmotic adaptations 7الغازات والضوء في الماء1-7 Effect of Atmospheric Gases on Aquatic Environments: oxygen and carbon dioxide in water, solubility, acidification and calcification; 1-8 Effect of Light and Solar Radiation: spectrum, light zones, absorption, distribution of life 8الضغط في الماء والتوازن البيئي1-9 Effect of Water Pressure on Organisms: pressure inside a liquid, P = Pa + Pwater, swim bladders, skeletons, cell membranes; 1-10 Ecological Balance and the Role of Humans in Sustaining Aquatic Life 9الغلاف الجوي: الغازات والطبقاتUnit 2 The Atmosphere, opener; 2-1 Components and Layers of the Atmosphere (A): gases of the air and their importance, troposphere, tropopause, stratosphere, the ozone layer, mesosphere and the start of the thermosphere 10الطبقات العليا وسرعة الإفلات والأوزون2-1 Components and Layers (B): ionosphere, aurora, exosphere, escape velocity and Mercury; 2-2 Chemical Reactions in the Atmosphere: ultraviolet rays, ozone formation, ozone depletion and its effects, protection measures, ozone in the troposphere 11مقاييس الحرارة وانتقالها والضغط الجوي2-3 Physical Factors and Their Effect on the Atmosphere (A): heat and the three temperature scales, conduction, convection, radiation, living through freezing and heat, atmospheric pressure, standard pressure, isobars, the barometer, pressure and the body 12ضغط الدم والرياح والأنسجة النباتية والرطوبة2-3 Physical Factors (B): blood pressure, wind and wind systems, wind speed and plant tissues, humidity, effects of humidity on people and living things, osmoregulation, the data-collection activities 13الاحترار العالمي وتلوث الهواء2-4 The Atmosphere and the Role of Science in Its Sustainability (A): global warming and the greenhouse effect, ways to reduce emissions, air pollutants (carbon monoxide, sulphur and nitrogen oxides), formation of acid rain 14ضرر المطر الحمضي وأجهزة التنقية والرصد والنماذج2-4 The Atmosphere and the Role of Science in Its Sustainability (B): effects of acid rain on plants, soil and buildings, scrubbers, monitoring by satellites and weather stations, climate models, forecasting and examples 15مراجعة الفصل الأولTerm 1 review (Units 1–2) and Darslab's own review tasks

☰ Year plan · Science (Arabic)

Egypt›Secondary 1›Science (Arabic)›Week 15

مراجعة الفصل الأول

Week 15 · Term 1 review (Units 1–2) and Darslab's own review tasks · 3 lessons

الدرس 1 الدرس 2 الدرس 3 الاختبار8 الواجب المنزلي5

السابقالأسبوع 15 · مراجعة: الغلاف الجوي وحمايتهالتاليالأسبوع 15 · الواجب المنزلي

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