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《Using LanguageⅡ》集体备课教案优质课下载
Topic:the science of the stars
Students analysis: Class 2 Grade1
Teacher analysis: ChangHuijuan
Teaching methods:
Read ---Think—Pair ; Task-teaching approach.
Teaching aids: Multi-media equipment;
Teaching procedure:
Step 1：warming up
Task 1: Brainstorm：Show a video about how our solar system came into being . and a picture about eight planets.
Step 2：Presentation
Task 1: detailed reading:1.How did the earth come into being?
2.how did life begin on the earth?
Task 2: read para2 and answer the questions:
After the Big Bang, what was the earth like?
(2) What happened next?
(3) What did the water vapour and gases form?
(4) What appeared as the earth cooled down?
Big Banga cloud of dust A solid globe exploded with fire and rock produce water vapour and gases---atmosphere cooled down and water appeared
step 3： Why is water so important for the beginning of life?
Because water allowed the earth to dissolve harmful gases into oceans and seas and this produced a chain reaction , which made it possible for life to develop.
Watch a video about a serious problem of water and let Ss have a free talk about how to protect water in our daily life
Step 4. According to para4 to answer the question: What is the development of life on the earth?Pay attention to what plants followed by what animals?
small plants appears in water Shellfish and all sorts of fish green plants began to grow on land insects appeared amphibians on land and in the water Forests reptiles dinosaurs mammals on land small clever animals
Step5 put the order of development of life into a time line?and match the main idea with each paragraph by discussing.
Para. 1 The formation (形成) of the earth.