When Water Melts from a Solid Ice Cube to a Liquid

question 51

Multiple Choice

When water melts from a solid ice cube to a liquid, its volume ________ and its mass ________.

• A)Increases; decreases
• B)Decreases; increases
• C)Decreases; stays the same
• D)Increases; stays the same

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Definitions:

Variable-Interval Schedule

A reinforcement schedule in operant conditioning where a response is rewarded after an unpredictable amount of time has passed, creating a variable pattern of reinforcement.

Fixed-Ratio Schedule

A schedule of reinforcement where a response is rewarded after a specified number of responses, leading to a high and steady rate of responding.

Variable-Ratio

A reinforcement schedule where a response is rewarded after an unpredictable number of responses, enhancing the response rate.