Amplify Unit 2 Eureka The microscope

What do paragraphs 1 and 2 on page 48 show about early ideas of disease?

• People believed bad air caused sickness.

• People already knew about bacteria.

• People thought organisms were helpful.

• People trusted microscopes.

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CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.2

CCSS.RL.5.2

What is the most likely reason Antonie van Leeuwenhoek decided to invent a microscope?

• He wanted to sell more eyeglasses.

• He was curious about science and experimented with lenses.

• He needed to prove doctors wrong.

• He wanted to become a famous doctor.

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CCSS.RI.1.1

CCSS.RI.2.1

CCSS.RI.3.1

CCSS.RL.2.1

CCSS.RL.3.1

Which sentence from the passage shows that some scientists did not believe van Leeuwenhoek’s discoveries at first?

• “He attached his lens to a brass plate and eureka!, he’d made a microscope.”
  

• “By 1676 he had invented a microscope so powerful that he was able to see single-celled organisms, like bacteria.”
  

• “He wrote to a group of famous scientists in London about his discoveries, but they didn’t believe him.”

• “Over the years the microscope has been an important tool in great scientific and medical discoveries.”

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CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

What message does the author express in paragraphs 3 through 5 of the story?

• Van Leeuwenhoek’s work was not very useful.

• The microscope helped people understand germs and improve health.

• People already knew about bacteria before microscopes.
  

• The microscope was only used for rivers and insects.

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CCSS.RL.3.10

CCSS.RL.3.6

CCSS.RL.4.10

CCSS.RL.4.6

CCSS.RL.5.10

n paragraph 2, what is the most likely reason van Leeuwenhoek experimented with lenses?

• He wanted to become rich.
  

• He was trying to repair eyeglasses.

• He enjoyed science and wanted to learn more.

• He wanted to prove textbooks wrong.

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CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

Which sentence best explains why vaccines were important?

• “Over the years the microscope has been an important tool in great scientific and medical discoveries.”
  

• “He wrote to a group of famous scientists in London about his discoveries, but they didn’t believe him.”

•  “Van Leeuwenhoek manufactured a tiny lens that was double convex.”

• “Since these bacteria had been identified, scientists invented vaccines that saved millions of lives by preventing these diseases.”

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CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RL.3.2

CCSS.RL.4.2

CCSS.RL.5.2

Which sentence from the passage supports the idea that microscopes improved the environment?

• The microscope has also helped the environment. For example, by studying river water samples, scientists have been able to analyze and improve the health of ecosystems.”

• “Van Leeuwenhoek’s most powerful microscope had a magnification of 270.”
  

• “Today’s most powerful microscopes can achieve a magnification of ten million.”
  

• “Modern microscopes have more uses than van Leeuwenhoek could have imagined.”

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CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.1

CCSS.RL.5.2

Based on details in the story, what can the reader infer about modern microscopes?

• They are less powerful than old ones.

• They are only used by doctors.
  

• They have many uses, including medicine and technology.

• They are no longer important today.

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CCSS.RF.4.4C

CCSS.RI.3.1

CCSS.RI.4.1

CCSS.RL.3.1

CCSS.RL.4.1

Which conclusion about van Leeuwenhoek is best supported by the end of the passage?

• He changed science by allowing people to see germs.

•  He had little impact on medicine.
  

• He only used microscopes for rivers.

• He was never believed by scientists.

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CCSS.RI.3.2

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.3.2

CCSS.RL.4.2

How can the reader tell that The Microscope is an informational text?

• . It includes characters’ feelings.
  

• It has a problem and solution.
  

•  It contains dialogue between characters.

• It describes real discoveries and scientific facts.

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CCSS.RI.2.5

CCSS.RI.3.5

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5