课件13张PPT。Nv Wa created manNu Wa is a goddess of personal dragon‘s tail.(人身龙尾） Nu Wa slides（滑行） on the earth. She loves trees and flowers. insectsfishbirdsbeasts 野兽She wanted to create a life better than anyone in the world.In this way, the world need a kind of life to dominate(主宰) and manage（管理） everything.The world will not be
lonely and desertedpinch clay figurines 捏泥人riverbed mud 河床上的泥
Then those small clay figurines were the infusion (输入)of energypeopleThese people jumping, cheering, brought life to the earth. The world became more and more beautiful…..The End课件22张PPT。Welcome Unit4 HOW LIFE BEGAN ON THE EARTHDo you know any ancient ideas about the beginning of the universe?
Lead-in Reading for the main idea
Paragraph 2:
Paragraph 3:
Paragraph 4:
Paragraph 5a. The importance of water for life
b. The development of plants and animals on the earth
c. A widely accepted theory about the formation of the universe
d. The formation of the earth
e. The arrival of humans and their impact on the earth
skimming Paragraph 1:Part1:
The development of the e____.
Part2:
The development of the l____.
(para 1—3)(para 4—5)earthlifeSeveral billion years after the “_______”Between ___ and ___ billion years agoA cloud of ___Settled into
_________Exploded with ________________ began to appear.Produced _____ _____________.Part 1 The development of the earth fire and rockAs the earth _____ ____.WaterBig Bangdusta solid globeReading for details 1Part2 The development of life4 ________
5 amphibians6 ______7 reptiles
8 _________
9 _________
10small plants insects mammalsdinosaurs humansplantsanimalsgreen plantsforests shellfish3___________on land2_______ and all
sorts of fish1 _________ in waterL6:
What it was to become was uncertain until between 4.5 and 3.8 billion years ago when the dust settled into a solid globe.Difficult sentences地球会变成什么样子没人能知道，直到38-45亿年前，这团尘埃才慢慢形成一个固体球状物。L50:
Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved. Difficult sentences 在未来的数百万年中，生命能否在地球上延续取决于这个问题能否得到解决.1.Why was the earth different from the other planets?Reading for details Ⅱ2.Why did the plants grow before the animals came?1.Why was the earth different from the other planets?
Because ______ remains on the earth.water2.Why did the plants grow before the
animals came?Because plants provided ______for animals to breathe.oxygenLearning to sum up Big Bangatoms, forma cloud of dustsettled into
a solid globeexploded with
fire and rockcooled down
watersmall plantsamphibiansmammalsHuman beingsforestsshellfish and fishinsectsgreen plantsreptilesdinosaursTeam workSum upBig Bangatoms, forma cloud of dustsettled into
a solid globeexploded with
fire and rockcooled down
waterPart 1 Sum upThe development of the earth small plants
in wateramphibiansmammalsHuman beings came into being.forestsshellfish and fish followinsectsgreen plantsreptilesdinosaursPart 2 sum upThe development of the earthDiscussion Design an activity for Earth DayWhat is the activity about?
Why do you design it?
When and where will you do it?
……Only one world , share and care ! Homework 1.Rewrite the story about how life began on the earth.
2.Surf the internet and try to find more information about today’s topic.Why did water stay on the earth but not on the other planets?Why did some life form disappear? How did the climate change? And will it change again?L6: What it was to become was uncertain until between……ago when the dust settled into a solid globe.
L50: So whether life will continue on the earth for ……will depend on whether this problem can be solved.
Difficult sentences
