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- 1. Multiple Choice
What are the steps of the Scientific Method?
Make observation & Ask question, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion
Make observation & Ask question, Make Hypothesis, Test Hypothesis, Analyze Data, Draw Conclusion and Communicate Results
Make observation & Ask question, Communicate Results, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion
Communicate Results, Make observation & Ask question, Make Hypothesis, Analyze Results or data, Test Hypothesis, Draw Conclusion
- 2. Multiple Choice
What was Dr. Goldberger's first step in studying Pellagra?
Made a hypothesis.
Conducted two experiments; one with orphans and the other with prisoners.
Determined the cause of pellagra.
Observed the people who had pellagra.
- 3. Multiple Choice
After conducting his experiments, what was Dr. Goldberger's conclusion?
Vitamin B complex is found in vegetables.
Other diseases were caused by vitamin deficiencies as well.
Only the poor had pellagra.
Pellagra was caused by the diet of poor Southerners consisting of cornbread, fatback and syrup which lacked the appropriate nutrients.
- 4. Multiple Choice
In Dr. Goldberger's second experiment, what was the independent variable?
Adding vegetables.
The change of diet from meals that included vegetables and fruits to the diet of the poor Southerners which consisted of fatback, cornbread and syrup.
Adding meat to the diet.
Adding pork to the diet.
- 5. Multiple Choice
In the experiment with prisoners, what was the constant variable?
screened windows, clean cells and clothing, same environment.
pellagra
pork and other foods
fatback
- 6. Multiple Choice
Which of these is an example of quantitative data?
The prisoners felt tired and confused.
The prisoners felt very hungry.
The prisoners became insane.
7 out of 11 prisoners got pellagra
- 7. Multiple Choice
Which of these is a good example of qualitative data?
Patients with pellagra often felt confused, and tired.
300 orphans were used for experiments number 1.
6 orphans did not like their new diet.
Twenty orphans never developed pellagra.
- 8. Multiple Choice
Which of these examples is not a good example of quantitative data?
Petals are yellow.
Petals are 12 cm long.
Flower disc is 3 cm wide.
Stem has 1 leaf.
- 9. Multiple Choice
What is the independent variable in a controlled experiment?
It is the variable that is kept the same.
It is the variable that is measured.
It is the variable that is changed.
It is the group that does not receive treatment.
- 10. Multiple Choice
What is the dependent variable in a controlled experiment.
It is the variable that is changed.
It is the variable that is measured and that depends on the independent variable.
It is the variable that is kept the same in the experiment.
It is a factor in a controlled experiment.
- 11. Multiple Choice
What is the independent variable in the experiment that Dr. Goldberger conducted with orphans.
Fed them corn
Fed them meat and milk
Making sure they had plenty sun.
Changed the orphans' diet by adding fruit, vegetable, milk and meat.
- 12. Multiple Choice
What was Dr. Goldberger's Testable Question?
What causes pellagra?
Why did the doctors and nurses not get sick?
Why did farmers eat cornbread?
How to make cornbread?
- 13. Multiple Choice
What did diseases like Pellagra, Veriveri and Scurvy have in common?
are caused by bacteria.
are caused by viruses.
all are due to lack of specific vitamins.
can be cured by getting a treatment of antibiotics.
- 14. Multiple Choice
What vitamin deficiency may cause pellagra?
Vitamin K
Vitamin C
Vitamin A
Vitamin B complex or Niacian
- 15. Multiple Choice
You analyze data by:
looking at numbers
creating tables and graphs.
talking to other scientists
making a conclusion
- 16. Multiple Choice
When was Dr. Goldberger assigned to study Pellagra?
1914
1920
1900
2000
- 17. Multiple Choice
After Dr. Goldberger published his results, ....
Southerners accepted his conclusion.
Southerners suggested his findings were fake.
he was highly recognized for his great discovery.
he won two million dollars.
- 18. Multiple Choice
At the time, the most prominent ideas about the causes of pellagra were:
dirty water, bacteria, insects
bacteria, eating corn, viruses
eating lots of corn
eating corn, bacteria, carried by an insect
- 19. Multiple Choice
At the time, a great invention and discovery were made
invented a machine to harvest corn.
invented the telescope and discovered Pluto.
invented the microscope and discovered bacteria
invented the water filter.
- 20. Multiple Choice
What observation helped Dr. Goldberger eliminate the theory that Pellagra was caused by bacteria?
Not all people with pellagra were dirty.
He used a microscope to test for bacteria presence.
He observed that nurses, doctors, guards and teachers did not get sick with pellagra.
Bacteria did not live in Southern USA.
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