3. Unit 16 Franklin`s Famous Kite Experiment Lecturer ： Fan Liyan

4. A Brief Introduction Benjamin Franklin (1706- 1790) American statesman ， inventor ， writer, and scientist. Well done is better than well said.

5. The main idea of each part.Match them with each other. Part 1(Para.1) Part 2(Para.2-3) Part 3(Para.4-6) The steps of the experiment The tips of doing the experiment Introduction of Franklin`s experiment

6. Read the statements and decide if they are TRUE(T) Or FALSE(F). 1.In 1752, scientists already knew what electricity is. ( ) 2.Franklin was helped by a friend to do the experiment. ( ) 3. Franklin made the kite of silk because wet silk does not conduct electricity. ( ) 4. A condenser was used in the experiment to store electricity. ( ) ANSWER:T F F T By his son It would last longer in bad weather

7. 1.List all the materials that are needed to make a kite. 2.List what are needed to do the experiment. KITE KITE EXPERIMENT Two pieces of light wood A handkerchief A ribbon A piece of metal A key Bad weather A condenser A string

8. Discuss the questions with your partners. 1.Why did Franklin do the experiment with the kite? 2.Why is it better to make the kite of silk than that of paper? 3.Do you think the experiment was dangerous? Why? He wanted to prove lightning and electricity are the same thing. Yes.If something went wrong,he might be killed.

9. Choose the right pictures. T T

10. Consolidation Poland, radioactive elements, Nobel Prize

11. England,an apple tree, the Universal Law of Gravitation

12. England, naturalist, the Origin of Species, natural selection, the fittest races

13. Homework for today PHYSICSMEDICIN E CHEMIS TRY BIOLOGY NAME DISCOVER Y