Praxis CKT Science Scientific Inquiry Quiz

1. Which of the following best describes the relationship between a theory and a law in science?

Theories are proven; laws are unproven

Laws describe patterns; theories explain why they occur

Theories and laws are identical concepts

Laws apply only to physics; theories apply to biology

2. Which best explains why replication of results by independent researchers strengthens scientific conclusions?

It increases the sample size of the original study

It reduces the likelihood that results occurred by chance or experimental error

It proves the hypothesis is absolutely true

It eliminates the need for further research

3. True or False: Scientific models are always accurate representations of reality and do not require revision.

True

False

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5. Which of the following is a characteristic of pseudoscience rather than legitimate science?

Reliance on empirical evidence

Resistance to refutation through testing

Peer review and reproducibility

Use of the scientific method

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7. True or False: Science can answer all questions about human experience, including ethical and moral questions.

True

False

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9. Which type of experimental design allows researchers to establish cause-and-effect relationships?

Observational study

Correlational study

Controlled experiment

Descriptive study

10. True or False: Peer review in science serves primarily to prevent publication of any controversial findings.

True

False

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12. Which of the following best defines a hypothesis in scientific inquiry?

A testable prediction based on limited observations

A proven fact that requires no further testing

An opinion about natural phenomena

A conclusion drawn after data collection

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14. A scientist repeats an experiment multiple times and gets different results each time. What should the scientist do?

Report only the most favorable result

Investigate sources of variation and improve experimental design

Discard all results as invalid

Average all results without further analysis

15. True or False: Qualitative data can be just as valuable as quantitative data in scientific inquiry.

True

False

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17. Which characteristic is essential for a scientific investigation?

Reproducibility by other researchers

Support from the majority of people

Lack of measurable data

Absence of alternative explanations

18. True or False: A single successful experiment is sufficient to establish a scientific law.

True

False

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20. A researcher observes that students who study in groups perform better on exams. What is the most appropriate next step in scientific inquiry?

Publish the observation immediately

Design a controlled experiment to test the relationship

Accept the observation as definitive proof

Conclude that group study causes higher grades

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Praxis CKT Science Scientific Inquiry Quiz

1. Which of the following best describes the relationship between a theory and a law in science?

2.

What first name or nickname would you like us to use?

2. Which best explains why replication of results by independent researchers strengthens scientific conclusions?

3. True or False: Scientific models are always accurate representations of reality and do not require revision.

4. The _____ is the group in an experiment that does not receive the treatment being tested.

5. Which of the following is a characteristic of pseudoscience rather than legitimate science?

6. In a study comparing test scores of students taught by Method A versus Method B, the teaching method is the _____ variable.

7. True or False: Science can answer all questions about human experience, including ethical and moral questions.

8. A confounding variable is a factor that _____ with the independent variable and affects the dependent variable.

9. Which type of experimental design allows researchers to establish cause-and-effect relationships?

10. True or False: Peer review in science serves primarily to prevent publication of any controversial findings.

11. When a hypothesis is not supported by experimental data, the scientist should _____ and propose a revised hypothesis.

12. Which of the following best defines a hypothesis in scientific inquiry?

13. The process of drawing general conclusions from specific observations is called _____.

14. A scientist repeats an experiment multiple times and gets different results each time. What should the scientist do?

15. True or False: Qualitative data can be just as valuable as quantitative data in scientific inquiry.

16. When designing an experiment, the dependent variable is the factor that _____ as a result of changing the independent variable.

17. Which characteristic is essential for a scientific investigation?

18. True or False: A single successful experiment is sufficient to establish a scientific law.

19. Control variables in an experiment are factors that are _____ to ensure fair testing.

20. A researcher observes that students who study in groups perform better on exams. What is the most appropriate next step in scientific inquiry?

21. In an experiment testing plant growth under different light wavelengths, light wavelength is the _____ variable.