Introduction to Science: Branches and Methodology
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Questions and Answers

What is the primary focus of biology?

  • The composition of matter
  • Celestial objects
  • The human mind
  • Living organisms (correct)

Which science deals with the study of matter, energy, space, and time?

  • Physics (correct)
  • Chemistry
  • Astronomy
  • Biology

What is a key characteristic of science?

  • Systematic approach (correct)
  • Focus on artistic expression
  • Emphasis on cultural beliefs
  • Reliance on personal opinions

Which step of the scientific method involves developing a testable explanation?

<p>Hypothesis (A)</p> Signup and view all the answers

Which branch of science studies human society and social interactions?

<p>Sociology (D)</p> Signup and view all the answers

What is the purpose of replication in the scientific method?

<p>To verify results (D)</p> Signup and view all the answers

Which field of formal science deals with numbers and their relationships?

<p>Mathematics (D)</p> Signup and view all the answers

What does Earth Science encompass?

<p>The Earth and its environment (D)</p> Signup and view all the answers

Which variable is deliberately changed by the researcher in an experiment?

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

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

<p>To provide a baseline for comparison (B)</p> Signup and view all the answers

Which type of data involves descriptions rather than numbers?

<p>Qualitative Data (D)</p> Signup and view all the answers

Which of the following is the SI unit for measuring mass?

<p>Kilogram (D)</p> Signup and view all the answers

What is the purpose of using scientific notation?

<p>To express very large or very small numbers in a simplified way (B)</p> Signup and view all the answers

Which tool is used to view very small objects or structures?

<p>Microscope (D)</p> Signup and view all the answers

Which ethical principle requires scientists to be truthful in reporting their findings?

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

How does science contribute to advances in technology?

<p>By driving technological advancements (D)</p> Signup and view all the answers

Flashcards

What is Science?

A systematic and organized approach to understanding the natural world through observation and experimentation.

What is Physics?

Deals with matter, energy, space, and time, exploring the fundamental laws of the universe.

What is Chemistry?

Focuses on the composition, structure, properties, and reactions of substances.

What is Biology?

Studies living organisms, including their structure, function, growth, origin, evolution, and distribution.

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Scientific Method

The process of observing, questioning, hypothesizing, experimenting, analyzing, and concluding.

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What is a Hypothesis?

A testable explanation or prediction based on observations.

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What is a Theory?

A well-substantiated explanation incorporating facts, laws, inferences, and tested hypotheses.

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Scientific Law

A descriptive statement that reliably predicts events under specific conditions.

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Variable

A factor in an experiment that can be changed.

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Independent Variable

The variable a researcher manipulates.

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Dependent Variable

The variable that is measured and responds to the independent variable.

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Control Variable

Variables kept constant during an experiment.

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Control Group

Group in an experiment that doesn't receive treatment; used for comparison.

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SI Units

The standard system of units used in science.

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Scientific Notation

Expressing numbers as a product of a number between 1 and 10 and a power of 10.

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Scientific Ethics

Being honest, objective, and giving credit where it's due.

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Study Notes

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Description

Explore the systematic approach of science and its role in understanding the natural world. Learn about the key branches of science, including natural sciences like physics, chemistry, and biology, as well as social sciences like psychology and sociology. Understand how empirical evidence and logical reasoning drive scientific knowledge.

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