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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

1Hydrosphere and the water cycleUnit 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 2Chemical properties of water1-2 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 3Density and the 4 °C turning point1-3 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 4Heat, specific heat and 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 5Solutions, osmosis and the kinds of cells1-4 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 6Cells, metabolism and adaptations1-5 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 7Gases and light in water1-7 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 8Pressure in water and ecological balance1-9 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 9The atmosphere: gases and layersUnit 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 10Upper layers, escape velocity and ozone2-1 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 11Temperature scales, heat transfer and air pressure2-3 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 12Blood pressure, wind, plant tissues and humidity2-3 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 13Global warming and air pollution2-4 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 14Acid rain damage, scrubbers, monitoring and models2-4 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 15Term 1 reviewTerm 1 review (Units 1–2) and Darslab's own review tasks

☰ Year plan · Science

Egypt›Secondary 1›Science›Week 15

Term 1 review

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

Lesson 1 Lesson 2 Lesson 3 Quiz8 Homework5

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