Lesson Worksheet: Working Scientifically Chemistry

In this worksheet, we will practice describing the key principles of the scientific method and its importance in solving problems and advancing scientific knowledge.

Q1:

Which of the following is the best description of a hypothesis?

  • AA testable prediction
  • BThe best available explanation
  • CAn educated guess
  • DThe simplest theory
  • EA statement of truth

Q2:

Which of the following is the best description of a theory?

  • AA hypothesis that is supported by experimental data
  • BA statement of truth about the universe
  • CA guess at what might happen during an experiment
  • DA belief about the way the universe works
  • EA disproven hypothesis

Q3:

Which of the following is the best description of a scientific law?

  • AA statement that is always true, regardless of how many times it is tested
  • BA generally accepted theory supported by experimental data
  • CAn observation of a physical process
  • DA testable prediction of what will happen during an experiment
  • EA mathematical statement that relates two or more variables

Q4:

Fill in the blank: A computational model is .

  • Aa type of model used to represent very small or very large entities
  • Ba type of model used to describe systems and make predictions
  • Ca type of model that uses common objects to explain observations
  • Da type of model that relies on computers to process data
  • Ea type of model that uses words and ideas to explain observations

Q5:

Fill in the blanks in the correct order: A scientific may include several and tested .

  • Aobservation, facts, hypotheses
  • Blaw, theories, experiments
  • Ctheory, laws, hypotheses
  • Dmodel, facts, observations
  • Efact, experiments, data

Q6:

Which of the following is not a benefit of researchers collaborating scientifically?

  • AResult verification
  • BGreater creativity
  • CMore work needs to be done.
  • DConstructive criticism
  • EExtensive research

Q7:

Fill in the blank: A representational model is .

  • Aa type of model that uses words and ideas to explain observations
  • Ba type of model that relies on computers to process data
  • Ca type of model used to describe systems and make predictions
  • Da type of model used to represent very small or very large entities
  • Ea type of model that uses common objects to explain observations

Q8:

Put the following tasks in the correct order to explain how scientists work when trying to explain things.

  • AQ, P, S, R
  • BQ, P, R, S
  • CP, R, S, Q
  • DP, Q, S, R
  • EQ, S, P, R

Q9:

Which of the following statements explains what needs to happen in order for a hypothesis to become accepted and considered a scientific theory?

  • AThe hypothesis must be proved to be a fact.
  • BThe hypothesis must not be peer-reviewed.
  • CThe hypothesis must explain exactly why something is occurring.
  • DThe hypothesis must be tested multiple times, over many years, by different scientists.
  • EThe hypothesis must explain any recently discovered evidence.

Q10:

Fill in the blank: A spatial model is .

  • Aa type of model that uses words and ideas to explain observations
  • Ba type of model that uses common objects to explain observations
  • Ca type of model used to represent very small or very large entities in three-dimensions
  • Da type of model used to describe systems and make predictions
  • Ea type of model that relies on computers to process data

This lesson includes 5 additional questions for subscribers.

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