Unit 7 Know Our World.Lesson 38 The World Is a Big Place.课件

课件16张PPT。冀教版8年级下Unit 7Lesson 38 The World Is a Big Place Geography We learned about rivers, mountains and oceans Country(countries)City(cities)We also learned about countries and cities. planetThe earth is a planet. 100,000,000,1 billion 1,400,000,0001.4 billion populationlarge China has 1.4 billion people. small population Canada has small population. Arctic ['ɑ:ktik]
Pacific OceanArctic OceanIndia Ocean Atlantic Ocean AsiaEuropeAfricaAustraliaNorth AmericaSouth AmericaAntarcticaAntarctic is covered with snow and ice. over 7The population of the world The world's population ______ over 7 billion in total in the year 2010. wasBy 2025, the world may have 8 billion people. By 2050, the world's population may reach 9 billion. 1/3One third of our planet is land. can you live everywhere on earth?We can't live everywhere on earth.we can't live in water. easy or hard?Some…othersWe should protect our home!
谢谢观赏