A Gold Ring Cannot Sit on the Surface of Water

question 133

Multiple Choice

A gold ring cannot sit on the surface of water, but a thin gold wire loop of the same diameter can. Why?

• A)The gold ring applies a much greater pressure against the surface of the water so that it is able to push through the surface tension.
• B)The surface area of contact is the same, but the weight of the gold ring is much greater.
• C)The thin gold wire is far less dense than the gold ring, which allows it to float.
• D)Both A and B are true.

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Definitions:

Conditional Response

A conditioned reaction to a once neutral stimulus that has become associated with an unconditioned stimulus through repeated pairing.

Anticipatory Response

A reaction that occurs in anticipation of an upcoming event or stimulus, often based on previous experiences or expectations.

Operant Conditioning

An educational method where behavior intensity is altered through rewards or penalties.

Classical Conditioning

A behavioral learning process in which two stimuli are regularly paired; the response initially caused by the second stimulus is ultimately solely caused by the first stimulus.