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1) Match each person with his accomplishment.

developed a process to preserve and store blood
invented a process to kill germs by heating
developed a vaccine to fight polio
developed the penicillin antibiotic to kill bacteria



2) Choose the best answer.

How did Alexander Fleming discover penicillin?

He used an ancient cure he learned from a Native American.

He used math to mix the right amount of chemicals.

He was helped by other scientists in his community.

He accidentally discovered that mold kills bacteria.



3) Choose the best answer.

Why is it important to pasteurize milk?

Unpasteurized milk taste awful.

Pasteurizing kills dangerous germs.

It is not important to pasteurize milk.

Humans cannot drink unpasteurized cow's milk



4) Choose the best answer.

Why did Charles Drew work to preserve blood?

His daughters were sick and needed the blood.

He could sell the blood for a lot of money.

He wanted to help save the lives of soldiers.

His sons were sick and needed the blood.



5) Choose the best answer.

What was the result of using Dr. Salk's polio vaccine?

The polio epidemic continued worldwide.

People with Polio got better.

Polio was wiped out in most countries.

Polio antibodies can only work one time.



6) Drag and drop the vocabulary words to their definitions.


to heat up food in order to kill germs

a thing created by the body to attack sickness

the putting of blood from an outside source into a human or animal body

a tiny living that can cause sickness

to protect and prepare for future use


dead or weakened germs placed in a body to create protective antibodies
Choices
preserve
germ
transfusion
antibody
pasteurize
vaccine

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1 answer

Here are the answers to your questions:

  1. Match each person with his accomplishment:

    • developed a process to preserve and store blood: Charles Drew
    • invented a process to kill germs by heating: Louis Pasteur
    • developed a vaccine to fight polio: Dr. Jonas Salk
    • developed the penicillin antibiotic to kill bacteria: Alexander Fleming

  2. Choose the best answer: How did Alexander Fleming discover penicillin?

    • He accidentally discovered that mold kills bacteria.

  3. Choose the best answer: Why is it important to pasteurize milk?

    • Pasteurizing kills dangerous germs.

  4. Choose the best answer: Why did Charles Drew work to preserve blood?

    • He wanted to help save the lives of soldiers.

  5. Choose the best answer: What was the result of using Dr. Salk's polio vaccine?

    • Polio was wiped out in most countries.

  6. Drag and drop the vocabulary words to their definitions:

    • to heat up food in order to kill germs: pasteurize
    • a thing created by the body to attack sickness: antibody
    • the putting of blood from an outside source into a human or animal body: transfusion
    • a tiny living thing that can cause sickness: germ
    • to protect and prepare for future use: preserve
    • dead or weakened germs placed in a body to create protective antibodies: vaccine