Experimental Design and Variables Quiz
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Questions and Answers

What is the purpose of the scientific method?

  • To provide scientific explanations for questions about the world (correct)
  • To document historical events
  • To promote religious beliefs
  • To create fictional stories

What is the role of background research in the scientific method?

  • It promotes bias in the experiment
  • It has no impact on the experiment
  • It helps the scientist form a hypothesis (correct)
  • It creates obstacles for the scientist

What is a hypothesis in the context of the scientific method?

  • A belief based on superstition
  • A proposed explanation that can be empirically tested (correct)
  • A random guess without any basis
  • A religious doctrine

What does an experiment provide in the scientific method?

<p>Empirical data for a specific hypothesis (B)</p> Signup and view all the answers

What is empirical data in the context of the scientific method?

<p>Verifiable information by observation and/or experience (D)</p> Signup and view all the answers

Who is credited with the first documentation of the scientific method?

<p>Sir Francis Bacon (C)</p> Signup and view all the answers

What is the first step of the scientific method?

<p>Ask a Question (B)</p> Signup and view all the answers

What should a scientist do after asking a question in the scientific method?

<p>Conduct Background Research (D)</p> Signup and view all the answers

What comes after conducting background research in the scientific method?

<p>Formulate a Hypothesis (C)</p> Signup and view all the answers

What is important when designing an experiment in the scientific method?

<p>Controlling all variables except the Independent Variable (IV) (D)</p> Signup and view all the answers

What should be done after collecting data in the scientific method?

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

What determines if the differences observed in the data are truly due to the independent variable in the scientific method?

<p>Statistical testing for significance (C)</p> Signup and view all the answers

What is the purpose of an experimental design?

<p>To create controlled conditions for an experiment to limit outside interference (C)</p> Signup and view all the answers

What is the difference between a scientific law and a scientific theory?

<p>A scientific theory is well supported by evidence through investigations, while a scientific law is a pattern typically established through an equation (D)</p> Signup and view all the answers

What is the purpose of formulating a hypothesis?

<p>To provide an educated guess about the experiment outcome (C)</p> Signup and view all the answers

What role does the control group play in an experiment?

<p>It remains under normal unchanged conditions and is used for comparison with the experimental group (A)</p> Signup and view all the answers

Why do scientists use existing theory to create a good experiment?

<p>To ensure the experiment is based on sound scientific principles (B)</p> Signup and view all the answers

What is the first step in the experimental design process?

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

What is the next step if the data supports the hypothesis?

<p>Retest the hypothesis for accuracy (C)</p> Signup and view all the answers

What is the purpose of peer review in the scientific method?

<p>To raise questions and propose changes for experiment validity (A)</p> Signup and view all the answers

What should scientists do if they want to avoid bias in their experiment's results?

<p>Conduct repeat testing and peer review (A)</p> Signup and view all the answers

What happens once a hypothesis has been supported by a significant amount of peer reviewed experiments?

<p>It becomes a scientific theory (D)</p> Signup and view all the answers

What is the purpose of retesting the data if it supports the hypothesis?

<p>To ensure accuracy of the initial finding (A)</p> Signup and view all the answers

What does bias in forming a hypothesis impact most significantly?

<p>The interpretation of data and conclusions (A)</p> Signup and view all the answers

What is the purpose of conducting experiments under the same conditions and only changing the independent variable?

<p>To ensure that the results are not affected by external factors (C)</p> Signup and view all the answers

Why do many science vocabulary terms become increasingly difficult to understand?

<p>Because they are rooted in different languages like Greek and Latin (A)</p> Signup and view all the answers

What is the significance of using Greek and Latin words in scientific terminology?

<p>They have been universally used in science and influenced scientific terminology (D)</p> Signup and view all the answers

How do morphemes contribute to understanding common science terms?

<p>Morphemes provide a way to break down and understand parts of words (C)</p> Signup and view all the answers

Why is it important for scientists to be familiar with the root, prefix, or suffixes of scientific terms?

<p>To understand the meanings and origins of scientific terms (B)</p> Signup and view all the answers

What is the purpose of creating a good experiment for science?

<p>To ensure accurate results and reliable conclusions (B)</p> Signup and view all the answers

What is the suffix of the term 'biology' and what does it mean?

<p>-ology, meaning 'study of' (B)</p> Signup and view all the answers

What does the prefix 'hydro-' refer to?

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

What does the suffix '-cephalus' refer to?

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

What are the three main word parts of a word?

<p>Roots, prefixes, suffixes (B)</p> Signup and view all the answers

What does the prefix 'phago-' translate to?

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

What does the suffix '-osis' refer to?

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

What type of learner prefers learning by hearing new information?

<p>Auditory or verbal learner (D)</p> Signup and view all the answers

What type of learner benefits from looking at pictures or charts to understand new material?

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

What is the definition of physical properties of matter?

<p>Properties that describe the property visually or with measurement but do not affect the chemical composition of a substance (C)</p> Signup and view all the answers

What happens when a particular type of matter changes state from solid to liquid?

<p>It undergoes a physical change (A)</p> Signup and view all the answers

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