Unit 2 Can you tell me more about her? Lesson 8 课件 (共15张PPT)

课件15张PPT。Lesson 8UNIT TWO CAN YOU TELL ME MORE ABOUT HER?T: What colour is our Chinese people’s skin?
S: Yellow．
T: Are there any other skin colours in the world?
S: Yes, there are.Look, they have different skin colours.Why are people of different colours?All skin colours come from melanin.How does the sunlight influence the skin colour?People with more melanin are darker
and those with less are lighter.What can you do if you cut your finger
Accidentally?Use a bandage.What will you find after you remove the
bandage several days later?Its colour is light.Why do you choose C?The bandage blocks the sun from the skin. people with more melanin
people with less melanin
people in hot areas
people come from less
sunny places有更多黑色素的人有更少黑色素的人在炎热地方的人来自阳光少的地方的人Northern Europe
AfricaWhat colour are the most people in Northern
Europe?
White.
What about Africa?
Black.Answer the following questions.
1. Why do the Chinese people have darker
skin than most people in Northern Europe?
Because they developed more melanin.
2. Why do the Chinese people have lighter
skin than many people in Africa?
Because People in Africa get more sun and
developed more melanin.Why are people of different colours?
How many kinds of skin colours in the world?
What colour are the Chinese people?
Why do the Chinese people have darker skin than most people in Northern Europe and lighter skin than many people in Africa?Summary 介绍肤色形成原因，准备好下节课在全班交流展示。HomeworkThank You