Question 1

Which of the following best describes the scientific method?

Accepted Answer

A procedure used to answer questions, solve problems, and expand scientific knowledge.

Question 2

Which step in the scientific method involves collecting information from a primary source by human or mechanical means?

Accepted Answer

Observation

Question 3

A scientist observes that lowering sodium in one's diet will lead to a decrease in blood pressure. What step of the scientific method does this represent?

Accepted Answer

Observation

Question 4

Which of the following statements represents a hypothesis?

Accepted Answer

If I drink coffee early each morning, I will be able to stay awake.

Question 5

What is the correct order of steps in the scientific method?

Accepted Answer

Observation → Hypothesis → Experiment → Data Analysis → Conclusion → Peer Review & Publish

Question 6

A scientist designs an experiment to test whether a new drug lowers blood pressure. Which step of the scientific method is this?

Accepted Answer

Experiment

Question 7

Which of the following is a characteristic of a good hypothesis?

Accepted Answer

It is testable and falsifiable.

Question 8

After analyzing data, a scientist finds that the results do not support the hypothesis. What should the scientist do next?

Accepted Answer

Revise the hypothesis and repeat the experiment.

Question 9

Which of the following is NOT a step in the scientific method?

Accepted Answer

Memorizing chemical formulas

Question 10

A scientist publishes their findings in a scientific journal. Which step of the scientific method does this represent?

Accepted Answer

Peer Review & Publish

Question 11

Which of the following best describes a theory in science?

Accepted Answer

A well-supported explanation of natural phenomena based on a large body of evidence.

Question 12

Which of the following is an example of data analysis in the scientific method?

Accepted Answer

Calculating the average heart rate from multiple measurements.

Question 13

A scientist observes that patients allergic to penicillin must avoid certain antibiotics before surgery. What step of the scientific method is this?

Accepted Answer

Observation

Question 14

Which of the following statements is a testable hypothesis?

Accepted Answer

If students study for 2 hours each night, their test scores will improve.

Question 15

Which of the following is the best example of a conclusion in the scientific method?

Accepted Answer

The data show that the new drug lowers blood pressure more effectively than the old drug.

Question 16

Which of the following is a real-world application of the scientific method?

Accepted Answer

Testing the effectiveness of a new vaccine in preventing disease.

Question 17

Which of the following best describes the difference between a hypothesis and a theory?

Accepted Answer

A hypothesis is a testable statement, while a theory is a well-supported explanation based on evidence.

Question 18

Which of the following steps comes immediately after 'Experiment' in the scientific method?

Accepted Answer

Data Analysis

Question 19

A scientist wants to test if a new fertilizer increases plant growth. What is the best first step?

Accepted Answer

Make an observation about plant growth.

Question 20

Which of the following is a critical detail of the scientific method?

Accepted Answer

It requires evidence and can be tested or disproven.

The Chemical World: The Scientific Method in Chemistry

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