多維閱讀第12級(jí) Inside-out Skeletons 神奇的“鎧甲”

1、選自選自多維閱讀第多維閱讀第1212級(jí)級(jí)Inside-out SkeletonsInside-out Skeletons神奇的神奇的“鎧甲鎧甲”1. What are inside-out skeletons? 2. How do they work? Are there anything you have known about them?Look and say Animals and their exoskeletons1. Are skeletons important? Why? support, move, protect2. What is an exoskeleton? on

2、the outside3. What animals have exoskeletons? shellfish, spiders, crabsRead and answer Animals and their exoskeletons4. How are the exoskeletons made? chalk, chitin5. How do exoskeletons help animals? protect the soft inside, stop water6. How do the animals with exoskeletons grow? slip off, the new

3、grows underneathRead and answer People and their exoskeletons1. Who would wear exoskeletons just like some animals? knights, astronauts, divers2. What might exoskeletons be like in the future? little motorsRead and answer1. Complete the chart with what you have learned in this book（one word for each

4、 blank）and talk about it. Discuss and do2. Complete the flow map about how animals with exoskeletons grow, and then talk about it.Discuss and do1. What would be some animals like if they didnt have skeletons? wobbly blobs of jelly2. What is the old exoskeleton like for an animal? an old coatDiscuss and say1. Do you know any other animals that have special ways to protect themselves? protective coloration, gecko2. What about people? What else have we learned from animals? soldiers uniformDiscuss in groups1. 向家長(zhǎng)介紹本課所學(xué)的主要內(nèi)容，即哪些動(dòng)物擁有外殼、外殼的構(gòu)成，以及外殼是如何發(fā)揮作用的；亦可制作海報(bào)進(jìn)行展