# Lesson Worksheet: Working Scientifically Chemistry • 10th Grade

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