W a Science Teacher Wants to Provide Students with Experience

question 28

Multiple Choice

W A science teacher wants to provide students with experience in the skill of identifying and controlling variables. What would be the most appropriate activity?

• A) Provide students with yo-yo's and ask them to list the factors that influence whether it will come back up after it is dropped, describe how they could tell which has the greatest effect, and then try each.
• B) Provide students with mechanical tops and ask them to list the factors that influence how long it will spin, describe how they could tell which has the greatest effect, and then try each.
• C) Provide students with a covered plastic container of cream and ask them to list the factors that influence how long it takes the cream to turn into butter when the container is shaken, describe how they could tell which has the greatest effect, and then try each.
• D) Ask students to name the factors that influence the weather.
• E) All of the above
• F) None of the above

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Definitions:

Nineteenth Century

The period of years from 1801 to 1900, inclusive, often marked by industrial, cultural, and social changes globally.

Operant Conditioning

A learning process in which the strength of a behavior is modified by reinforcement or punishment.

Consequences Of Behavior

The outcomes or results that naturally follow from a person's actions or behaviors.

Learning

The process of acquiring new understanding, knowledge, behaviors, skills, values, or preferences.