Pathways Unit 7 Great Inventors - Lesson 5

​Pathways Unit 7 Great Inventors - Lesson 5

Page 124

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Lazlo Biro (invent) the first ballpoint pen.

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Bíró's brother  (help) him with the invention.

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Bíró and his brother were born in Hungary, but they  (go) to Argentina in 1943.

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Bíró  (die) in 1985.

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In 1903, inventor Mary Anderson  (have) an idea.

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She noticed that car drivers  (need) to open their windows

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.. open their windows when it rained so that they  (can) see. 

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 Anderson  (create) a swinging rubber arm that drivers could control by using a lever inside a car. 

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The invention was very popular and  (become) known as the windshield wiper.

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Ada Lovelace 

 good at math. 

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She and Charles Babbage 

 friends. 

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Charles Babbage 

 a mathematician. 

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There 

 many female scientists in Lovelace's time.

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Lovelace's mother 

 a computer programmer.

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Al-Jazari 

 an engineer. 

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Al-Jazari and Ada Lovelace 

 doctors. 

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Al-Jazari's elephant clock 

 small.

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