2009 English Open Class

Lesson 5. Inventions and

Inventors

Jeon Ju Girls’ High School2nd Grade

Su jin Hyeong

Let’s Review

You must be joking!

Do you see what I mean?

My main interest is English.

Today’s Goals to learn

2. understand reading about safety glass and answer the questions about the contents 3. search specific information about various inventions through the Internet

1. share opinions about inventions

We are able to

Guessing the ranks of Survey

Best inventions&

Worst inventions

Brilliant Inventions

Memo ring

Brilliant Inventions

Foot Dustpan

Brilliant Inventions

Rolling Bench

Background knowledge

What is safety Glass?

Video clip

Vocabulary

Vocabulary

Reading

Reading the main text

Comprehension quiz

1. What happens to safety glass when it is exposed to a shock?Answer : it doesn’t splinter(break into

pieces)2. Where can you find safety glass today?

Answer : car(windshield), building(windows & doors)

3. Who is the inventor of safety glass?

Edouard Benedictus

4. Where is he from?

France

Comprehension quiz5. He dropped a flask to the floor on purpose

in an experiment.Answer : F(by accident)

6. Then when he knocked a flask to the floor, it was not shattered. It is because the flask

had something in it. What was it?Answer : celluloid

7. People became so interested in safety glass when they saw it first.

Answer : F(not at first)8. For what did the U.S. Army use safety

glass?Answer : gas mask

Meaning map

Invention : it was the result of __________Inventor : _________________, French scientistFeature : not _______ when exposed to shockMaking process : sealing celluloid between _______________ by heatFirst use : the U.S. Army during _____________

Safety glass

mistakeEdouard Benetictussplinter

two pieces of glass World War I

Other inventions and

Inventors(Group work)1. Find the specific information

about inventions through the Internet and complete the summary about the inventions

Barbie doll(group1), Coca cola(2), blue jean(3), refrigerator(4), ice cream cone(5), elevator(6)

2. Post your answers on the school homepage. 전주여고 -e 학습마당 -교과자료실 - 외국어

Assignment

Writing Journal Title : My favorite invention

of the 6 inventionsCriteria : Include at least

three reasons of your choice

Where to post : our school homepage