Franklin’s kite experiment. 1706-1790 an American scientist one of the leaders of American...

Franklin’s kite Franklin’s kite experimentexperiment

1706-1790

an American scientist

one of the leaders of American Revolutionbe known for his many experiments

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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.

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an experiment

Aim?

Preparation?

Course?

Result?

Franklin did the expriment in order to ……

show that lighting and electricity are the same

MaterialsMaterials UsageUsage A silk hankerchiefPieces of light woodStrings

A kite

A key

A condenser

Thunderstrom

To make a kiteTo make a kiteTo make a kite

To carry the things into the skyTo feel the electric shockTo collect and store electricity

To produce lighting

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

Result: The experiment was __________ .

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 you have the If you have the chance, what chance, what experiment do you experiment do you want to do? want to do?

(Why? Materials? (Why? Materials? Processes?)Processes?)