高二英语下学期Unit13 The properties of water课件

Unit 13 The Water PlanetThe Properties of WaterQuestions for listening:Oceans:_Marian life:_species995 millionChemical structureWater molecule structure:Influence:Two hydrogen atoms and one oxygen atom1.It can break down both solids and gases.2.The chemical structure also makes it different from almost everything else on earth.SalinityThe salinity of the earths ocean:Influence:About 35 parts per thousandAffects both its weight and freezing point./heavier than pure waterlower than pure waterDensityDefinition:Measurement:The density of pure water:Influence:The change when being frozen:It is the relationship between mass and volume.Kilogrammes per cubic meter(kg/m3)1,000 kg/m3Make the marine animals float around the sea.Its density decreases.Heat capacityDefinition:The heat capacity of water:Influence:It is the amount of energy it takes to raise the temperature of a substance by one degree centigradeRelatively high-absorb and give off a lot of heat without big changes in temperature.Make a stable environment.Ocean motionOcean motion:Influence:It is always moving.Add the energy to the marine ecosystems and moves nutrients arounddense waterLess dense water9、静夜四无邻，荒居旧业贫。2022-10-12022-10-1Saturday,October 01,202210、雨中黄叶树，灯下白头人。2022-10-12022-10-12022-10-110/1/2022 4:56:58 PM11、以我独沈久，愧君相见频。2022-10-12022-10-12022-10-1Oct-221-Oct-2212、故人江海别，几度隔山川。2022-10-12022-10-12022-10-1Saturday,October 01,202213、乍见翻疑梦，相悲各问年。2022-10-12022-10-12022-10-12022-10-110/1/202214、他乡生白发，旧国见青山。2022年10月1日星期六2022-10-12022-10-12022-10-115、比不了得就不比，得不到的就不要。2022年10月2022-10-12022-10-12022-10-110/1/202216、行动出成果，工作出财富。2022-10-12022-10-1October 1,202217、做前，能够环视四周；做时，你只能或者最好沿着以脚为起点的射线向前。2022-10-12022-10-12022-10-12022-10-19、没有失败，只有暂时停止成功！。2022-10-12022-10-1Saturday,October 01,202210、很多事情努力了未必有结果，但是不努力却什么改变也没有。2022-10-12022-10-12022-10-110/1/2022 4:56:58 PM11、成功就是日复一日那一点点小小努力的积累。2022-10-12022-10-12022-10-1Oct-221-Oct-2212、世间成事，不求其绝对圆满，留一份不足，可得无限完美。2022-10-12022-10-12022-10-1Saturday,October 01,202213、不知香积寺，数里入云峰。2022-10-12022-10-12022-10-12022-10-110/1/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。2022年10月1日星期六2022-10-12022-10-12022-10-115、楚塞三湘接，荆门九派通。2022年10月2022-10-12022-10-12022-10-110/1/202216、少年十五二十时，步行夺得胡马骑。2022-10-12022-10-1October 1,202217、空山新雨后，天气晚来秋。2022-10-12022-10-12022-10-12022-10-19、杨柳散和风，青山澹吾虑。2022-10-12022-10-1Saturday,October 01,202210、阅读一切好书如同和过去最杰出的人谈话。2022-10-12022-10-12022-10-110/1/2022 4:56:58 PM11、越是没有本领的就越加自命不凡。2022-10-12022-10-12022-10-1Oct-221-Oct-2212、越是无能的人，越喜欢挑剔别人的错儿。2022-10-12022-10-12022-10-1Saturday,October 01,202213、知人者智，自知者明。胜人者有力，自胜者强。2022-10-12022-10-12022-10-12022-10-110/1/202214、意志坚强的人能把世界放在手中像泥块一样任意揉捏。2022年10月1日星期六2022-10-12022-10-12022-10-115、最具挑战性的挑战莫过于提升自我。2022年10月2022-10-12022-10-12022-10-110/1/202216、业余生活要有意义，不要越轨。2022-10-12022-10-1October 1,202217、一个人即使已登上顶峰，也仍要自强不息。2022-10-12022-10-12022-10-12022-10-1MOMODA POWERPOINTLorem ipsum dolor sit amet,consectetur adipiscing elit.Fusce id urna blandit,eleifend nulla ac,fringilla purus.Nulla iaculis tempor felis ut cursus.感 谢 您 的 下 载 观 看感 谢 您 的 下 载 观 看专家告诉