PhysicsPhysics MedicineMedicine ChemistryChemistry BiologyBiology

Madame Curie

(Radioactivity)

Isaac Newton

(Laws of the universal

Gravitation)

Fleming

(Penicillin)

Louise Pasteur

(germs)

Watson & Crick

(DNA)Mendeleyev

(Periodic Table of

elements)

Charles Darwin

(Evolution)

Pavlov

(Conditioned Reflex)

The scientists in the 18th and 19th centuries.

Albert Einstein

(Theory of Relativity)

Freud

(Psychoanalysis)

Nobel

(dynamite)

Common qualitiesCommon qualities

Aptitude for science workAptitude for science work Good communicationGood communication Ability to work with precision and Ability to work with precision and

accuracyaccuracy Ability to solve problemsAbility to solve problems Ability to work well under pressureAbility to work well under pressure Ability to work as a team playerAbility to work as a team player

Do you know?He was born on January 17, in Boston in Massachusetts, and was the tenth child and youngest son of the family.His father was a candle maker. When he was young, he was not very good at math. He was curious and loved to learn about new things but he had only less than three years of formal education. He invented lightning rod.( 避雷针 )He helped set up America’s first city hospital. He also helped to found a new nation. He helped to write the Declaration of Independence. He was a successful businessman, an inventor, a writer, a scientist and a world-famous statesman.

After reading the text did you find out what this experiment prove?

The experiment proved that lightning and electricity were the same.

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.

5.The key tied to the string was put into the door to stop the kite from flying away.

T

F

F

T

F

incorrincorrectect

incorrincorrectect

corrcorrectect

corrcorrectect

an experiment

Aim?

Preparation?

Course?

Result?

a kite

wood

handkerchief

silk

string

metal

Processes

Step 1

Step 2

Step 3

Step 4

Fix a piece of sharp metal to the kite

Fasten a key to the end of the string

Tie a ribbon to the string

Fly the kite when a thunderstorm appears

MaterialsMaterials UsageUsage

A silk hankerchiefA silk hankerchiefA sharp piece of A sharp piece of metalmetal To attract lightning

A silk ribbonA silk ribbon Dry silk doesn’t conduct electricityDry silk doesn’t conduct electricity

A kiteA kite

A keyA key

A condenserA condenser

Thunderstorm Thunderstorm

To last long in rainy weather

To attract lightning

Direct the elctricity towards the condenserTo collect and store electricityTo produce lighting

Result: The experiment was __________ .

Franklin’s famous kite experiment

Time:

People:

weather

purpose

The things needed

The steps:

June 1752

Franklin and his son

Thunderstorm, rainy dayTo prove lightning and electricity are the sameA kite, a key, some bad weather, a condenserFirst ……

Second ……

Third ……

outlinethe description of the experiment

the needed materials

the steps of the experiment

Para 1---3

Para 4

Para 5---6

Is it dangerous for Franklin to do the experiment ? Why?

If something went wrong ,he could be killed by the lightning.In fact it was life-dangerous.

How can we make a kite?build… tie…to add…to tie…to

First, fix…

Second, fasten…

Third, tie…

Fourth, fly…

TitleTitle ExperimenterExperimenter’s name’s name

PurposePurpose

ProcedureProcedure

ResultsResults

ConclusionConclusion

If you would not be forgotten ,as If you would not be forgotten ,as soon as you are dead or soon as you are dead or rotten,either write things worth rotten,either write things worth reading,or do things worth the reading,or do things worth the writing.writing.

-------Benjamin Franklin-------Benjamin Franklin