W a Science Teacher Wants to Provide Students with Practice

question 29

Multiple Choice

W A science teacher wants to provide students with practice in the skill of defining operationally. What would be the most suitable activity?

• A) The teacher provides a board with interchangeable gears and asks students to find the combination of two interlocking gears that produces the greatest change in gear speed.
• B) The teacher asks the students to identify factors that can lead to childhood obesity.
• C) The teacher provides the students with a time line of the major events that have occurred in the history of the earth and asks students to estimate how long the most recent ice age lasted.
• D) The teacher provides students with sugar, water, a beaker, and a hot plate, and asks them to devise a way of making crystals.
• E) All of the above
• F) None of the above

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Definitions:

Recreational Marijuana

Cannabis used for enjoyment rather than for medical purposes, legalized in some jurisdictions under specific regulations.

Law Passed

The successful enactment of a bill into law after it has been approved by the legislative body and, usually, the head of the government.

Closed Primary

A type of primary election where only registered party members can vote to choose their party's candidates.

Open Primary

A primary election where voters are not required to declare party membership to vote for their preferred candidate for a public office.