Introduction to Scientific Principles

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Questions and Answers

How are scientific models primarily used in scientific investigations?

  • To provide simplified representations of complex systems. (correct)
  • To establish absolute truths about the universe.
  • To replace the need for observational data.
  • To prove established scientific laws.

Which of the following best describes the relationship between scientific laws and theories?

  • Theories are absolute and cannot be revised, laws are subject to revision.
  • Laws explain while theories describe.
  • Laws are more speculative than theories.
  • Laws are the foundations for some theories. (correct)

Which of these is NOT a limitation of science?

  • The inability to answer ethical questions.
  • The susceptibility to misinterpretation or misuse.
  • The reliance on quantitative measurements. (correct)
  • The potential for bias to influence study results.

What kind of evidence is provided by astronomical data used to draw conclusions about star formation?

<p>Indirect observation. (B)</p> Signup and view all the answers

What is the primary way that scientific theories change over time?

<p>Through being updated with new evidence. (D)</p> Signup and view all the answers

Which of the following is NOT a fundamental principle of science?

<p>Subjectivity (B)</p> Signup and view all the answers

Which branch of science primarily focuses on the study of living organisms?

<p>Biological sciences (B)</p> Signup and view all the answers

What role does the scientific community play in the advancement of knowledge?

<p>They share research through publications and collaborations. (D)</p> Signup and view all the answers

Which of these sciences studies human behavior and societies?

<p>Social science (C)</p> Signup and view all the answers

What is a key aspect of the scientific method?

<p>Using rigorous testing of hypotheses (C)</p> Signup and view all the answers

Which of these options is considered an Earth science?

<p>Oceanography (C)</p> Signup and view all the answers

What does it mean for a hypothesis to be falsifiable?

<p>It must be capable of being proven wrong through experimentation. (C)</p> Signup and view all the answers

Why is it important to have ethical considerations in science?

<p>Because scientific advancements can have both positive and negative impacts. (A)</p> Signup and view all the answers

Flashcards

Scientific Model

A simplified representation of a complex system that helps scientists visualize and manipulate processes.

Scientific Law

A statement describing a pattern or relationship in nature, often expressed mathematically.

Scientific Theory

A well-supported explanation of an observed phenomenon, based on evidence and consistent with existing scientific knowledge.

Science

The process of observing, experimenting, and drawing conclusions about the natural world.

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Direct Observation

Evidence that directly supports a claim, obtained through observation or measurement.

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Scientific Method

A set of procedures for testing hypotheses and theories, involving observation, question formation, experimentation, and data analysis.

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Objectivity

Scientists should strive for unbiased observations and conclusions, minimizing personal opinions and beliefs.

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Reproducibility

Experiments should produce similar results when conducted by different researchers in different settings.

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Falsifiability

A scientific idea must be capable of being potentially disproven through experimentation.

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Biological Sciences

The study of living organisms, including their structure, function, and interactions.

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Earth Sciences

A branch of science focusing on the Earth's structure, processes, and history, including areas like geology, oceanography, and meteorology.

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Social Sciences

Exploring human behavior and societies, encompassing fields like sociology, psychology, economics, and political science.

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Study Notes

  • Science is a systematic study of the universe, building and organising knowledge through testable explanations and predictions.
  • It relies on empirical observation and rigorous experimentation to test hypotheses and theories.
  • The scientific method involves: observation, question development, hypothesis creation, experimentation, data analysis, and conclusion formulation.
  • Key principles of science include:
    • Objectivity: Unbiased observations, seeking impartiality.
    • Reproducibility: Consistent results replicated by different researchers.
    • Falsifiability: Hypotheses/theories can be proven wrong through experiments.
  • Branches of science include:
    • Physical sciences: Physics, chemistry, astronomy.
    • Biological sciences: Biology, zoology, botany, ecology.
    • Earth sciences: Geology, oceanography, meteorology.
    • Social sciences: Sociology, psychology, economics, political science.
  • Scientific knowledge evolves continuously based on new discoveries.
  • The scientific community advances knowledge through publications, presentations, collaborations, and peer review.
  • Science and technology are interconnected, with discoveries impacting and informing each other.
  • Scientific progress is driven by curiosity, skepticism, and a commitment to understanding.
  • Ethical considerations are critical, particularly when dealing with humans or potentially harmful applications.
  • Results are reported in publications with detailed methodology and findings.
  • Recognizing limitations and research gaps is integral to science.
  • The scientific method is dynamic, adaptable, and iterative.
  • Scientific theories, backed by strong evidence, can be modified or replaced with new data.
  • Scientific models, simplified representations, aid visualization and prediction of complex processes.

Types of Scientific Evidence

  • Direct observation: Measuring a chemical reaction speed.
  • Indirect observation: Inferring star formation from astronomical data.
  • Statistical analysis: Determining outcome likelihood based on data.
  • Expert testimony: Established scientific principles and laws.

Scientific Laws vs. Theories

  • Scientific laws describe patterns and relationships, often mathematical (e.g., gravity, Newton's laws).
  • Scientific theories explain these patterns and relationships, offering evidence-based explanations (e.g., evolution, relativity).
  • Laws form foundations for some theories.
  • Theories offer frameworks for understanding and predicting future events; they're not absolute truths.

Limitations of Science

  • Science can't answer all questions; religious, philosophical, and ethical inquiries are beyond its scope.
  • Accuracy and precision of measurements are limited.
  • Results can be misinterpreted or misused.
  • Bias can impact studies; objectivity and quality control are crucial.

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