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SCIENCE | UNIT-9 TEST – 1

1.
John W. Hetrick was an engineer in the USA. One day, while he was travelling
with his wife and daughter, he stopped the car dangerously not to hit the other
car. At that moment, he and his wife tried to protect their daughter’s head from
hitting the window of the car. After this event, he worked on a device that prevents
people from hitting their head in the accidents. He put a censor on cars. When an
accident occurs, this censor activates the tube and a bag appears in the car. Thanks
to his discovery, millions of people have stayed alive in traffic accidents up to now.

Which of the following pictures shows the invention of John W. Hetrick?
A) B) C) D)

NEW GENERA TION TEST

2. A famous blogger asked her followers a question about the inventions. The question and results are here:

THE MOST IMPORTANT INVENTION IN HISTORY

What is the most popular
invention for you? INTERNET
25%
• electricity 35% TELEPHONE

• telephone
SMART PHONE
• internet 25%
15% ELECTRICITY
• smart phone

Which of the following is NOT correct according to the information above?
A) The popularity of electricity and smart phone is the same.

B) The people voted for the Internet more than the smart phone.
C) Less than twenty percent of followers prefer the telephone.
D) The followers’ favorite invention is the smart phone.

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