objective
understand the nature of science
- understand that science investigations use a variety of methods and do not always use the same set of procedures, understand that there is not just one \scientific method.\
- science findings are based upon evidence.
b. how do worms appear in wood?
c. is spontaneous generation a valid explanation for maggots in meat?
d. all of the above are examples of problems.
3 what do you think his hypothesis was?
a. maggots grow through spontaneous generation.
b. maggots come from eggs laid by flies.
c. maggots find their way into woods and meats.
d. the problem cannot be solved.
4. how did he test his hypothesis?
a. he placed food in two jars, covering one jar and leaving the other uncovered.
b. he placed food in two jars and left both jars uncovered.
c. he placed food in two jars and covered both jars.
d. he put food in one jar and no food in a second jar.
5. what was the variable in his experiment?
a. covering both jars.
b. covering one jar and leaving the other uncovered.
c. leaving both jars uncovered.
d. there was no variable in this experiment.
6. what do you think redi’s conclusion was?
a. living things come from other living things.
b. living things are created through spontaneous generation.
c. he did not have enough data to arrive at a conclusion.
can you spot the scientific method worksheet
each sentence below describes a step of the scientific method. match each sentence with a step of the scientific method listed below.
__ 7. stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted.
a. recognize a problem
__ 8. susan said, “if i fertilize my geranium plants, they will blossom.”
b. form a hypothesis
__ 9. jonathan’s data showed that household cockroaches moved away from raw cucumber slices.
c. test the hypothesis with an experiment

Question

Accepted Answer

### Question 3
# Brief Explanations:
This question relates to Redi's experiment on spontaneous generation. Redi's hypothesis was that maggots come from fly eggs, not spontaneous generation. Option b states "Maggots come from eggs laid by flies", which aligns with his hypothesis. Option a is the idea of spontaneous generation (which he was testing against), option c is about movement not origin, and d is incorrect as the problem was solvable.
# Answer:
b. Maggots come from eggs laid by flies.

### Question 4
# Brief Explanations:
Redi's experiment to test his hypothesis (maggots from fly eggs) involved placing food in two jars, covering one (to prevent flies from laying eggs) and leaving one uncovered (to allow flies access). Option a describes this setup. Option b (both uncovered) and c (both covered) don't create a test condition, and d (food vs no food) tests food presence not fly egg influence.
# Answer:
a. He placed food in two jars, covering one jar and leaving the other uncovered.

### Question 5
# Brief Explanations:
The variable in an experiment is the factor that changes. In Redi's experiment, the variable was the covering of the jar (one covered, one uncovered) to see if flies could access and lay eggs. Option b describes this variable. Option a (covering both) is not a variable, c (both uncovered) is not a variable, and d is incorrect as there was a variable.
# Answer:
b. Covering one jar and leaving the other uncovered.

### Question 6
# Brief Explanations:
Redi's conclusion from his experiment (uncovered jar had maggots, covered didn't) was that living things (maggots) come from other living things (flies laying eggs), not spontaneous generation. Option a states this. Option b is the opposite (spontaneous generation), and c is incorrect as he had sufficient data.
# Answer:
a. Living things come from other living things.

### Question 7
# Brief Explanations:
Stephen's prediction about seeds growing faster with electric current in soil is forming a hypothesis (a testable prediction). Step B is "Form a hypothesis", so it matches B.
# Answer:
B. Form a hypothesis

### Question 8
# Brief Explanations:
Susan's statement "If I fertilize my geranium plants, they will blossom" is a hypothesis (a testable prediction about the effect of fertilizer). Step B is "Form a hypothesis", so it matches B? Wait, no—wait, the options: A is Recognize a problem, B is Form a hypothesis. Wait, Susan's statement is a hypothesis (predicting cause - effect). Wait, but the original options: Wait, the user's question 8: Susan said, "If I fertilize my geranium plants, they will blossom." The steps are A (Recognize a problem), B (Form a hypothesis), C (Test...). Wait, forming a hypothesis is a testable prediction, so this is forming a hypothesis (B). Wait, but maybe I misread. Wait, no—wait, the first part: 7 is Stephen predicted... (hypothesis), 8: Susan's statement is a hypothesis (B), 9: Jonathan's data... (which would be part of testing or conclusion, but the option C is "Test the hypothesis with an experiment"? No, data showing results is part of analyzing data, but the given option C is "Test the hypothesis with an experiment"? Wait, maybe the options are mislabeled, but based on the options: 8: Susan's statement is a hypothesis (B: Form a hypothesis). Wait, but the user's original 8: the answer should be B? Wait, no—wait, the first option for 7 was B, 8: let's re - check. The step for "Form a hypothesis" is a testable prediction. Susan's statement is a hypothesis (if - then statement), so it's B. Wait, but the user's 8 was marked as A? No, the user's original image has 8 marked as A, but that's incorrect. Wait, no—wait, "Recognize a problem" is identifying an issue, but Susan is making a prediction. So correct answer for 8 is B. Wait, but maybe the worksheet has different step labels. Wait, the steps: A is Recognize a problem, B is Form a hypothesis, C is Test. So 7: Stephen predicted (hypothesis) → B. 8: Susan's "If I fertilize... they will blossom" is a hypothesis (B). 9: Jonathan's data showed... which would be part of the experiment's results (testing), but the option C is "Test the hypothesis with an experiment"? No, data collection is part of testing. So 9: C. But the user's 9 was marked as C. So:

7: Stephen predicted → B (Form a hypothesis)

8: Susan's statement → B (Form a hypothesis)? Wait, no—maybe the worksheet has a different interpretation. Wait, the first sentence for 7: "Stephen predicted that seeds would start to grow faster if an electric current traveled through the soil in which they were planted." This is a hypothesis (a prediction), so B.

8: "Susan said, 'If I fertilize my geranium plants, they will blossom.'" This is also a hypothesis (B). But maybe the worksheet considers Susan's statement as a hypothesis (B), but the user's original 8 was marked as A, which is wrong. Wait, no—"Recognize a problem" is identifying a question, like "Why aren't my geraniums blooming?" But Susan's statement is a hypothesis. So correct answer for 8 is B.

9: "Jonathan’s data showed that household cockroaches moved away from raw cucumber slices." This is data from an experiment, so part of testing the hypothesis (C: Test the hypothesis with an experiment). So 9: C.

But based on the user's image, 7 is B, 8 is A (incorrectly), 9 is C. But we need to provide correct answers.

So:

7. B. Form a hypothesis

8. B. Form a hypothesis (but if the worksheet's options are different, maybe I made a mistake. Wait, the options: A. Recognize a problem, B. Form a hypothesis, C. Test the hypothesis with an experiment.

"Recognize a problem" is identifying an issue, like "My plants aren't growing" or "Cockroaches are a problem". Susan's statement is a hypothesis (a prediction), so it's B.

So:

7. B. Form a hypothesis

8. B. Form a hypothesis

9. C. Test the hypothesis with an experiment (since data from an experiment is part of testing)

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