HW1: SSA Nature of Science

What is the importance of reproducibility in scientific research?

• It ensures that results can be consistently replicated by others, confirming their validity.

• It allows researchers to publish findings without peer review.

• It guarantees that all experiments will yield the same results every time.

• It eliminates the need for statistical analysis in research.

What is empirical evidence?

• Evidence based on observations and experiments.

• Evidence based on theoretical models.

• Evidence based on personal beliefs.

• Evidence based on anecdotal experiences.

How can a hypothesis lead to further investigations?

• By generating new questions and experiments.

• By confirming existing theories without further testing.

• By providing a definitive answer to a problem.

• By eliminating the need for additional research.

Which of the following is an example of a scientific law?

• Gravity attracts any 2 objects with mass.

• The theory of evolution explains the diversity of life.

• Photosynthesis is the process by which plants make food.

• The Big Bang theory describes the origin of the universe.

What is a scientific theory?

• A hypothesis that has not been tested.

• A well-substantiated explanation of an aspect of the natural world.

• A guess based on personal opinion.

• A statement that cannot be proven.

What is the role of a control group in an experiment?

• To provide a baseline for comparison with the experimental group.

• To ensure that the experiment is conducted ethically.

• To manipulate the variables being tested.

• To increase the sample size of the experiment.

What is the significance of a scientific model?

• To simplify and explain complex systems.

• To provide a definitive answer to all scientific questions.

• To replace the need for experimentation in science.

• To serve as a historical record of scientific discoveries.

What is the purpose of conducting experiments?

• To gather anecdotal evidence.

• To test hypotheses and gather empirical evidence.

• To confirm existing theories without testing.

• To collect opinions from experts.

What is the difference between qualitative and quantitative data?

• Qualitative data involves numbers, while quantitative data describes characteristics.

• Qualitative data describes characteristics, while quantitative data involves numbers.

• Qualitative data is always more accurate than quantitative data.

• Quantitative data is subjective, while qualitative data is objective.

What best describes an independent variable in a scientific experiment?

• The variable that is changed or controlled by the scientist.

• The variable that is measured in response to changes.

• The variable that remains constant throughout the experiment.

• The variable that is manipulated by the dependent variable.