Two Metal Spheres Are Made of the Same Material and Have

question 46

Multiple Choice

Two metal spheres are made of the same material and have the same diameter, but one is solid and the other is hollow. If their temperature is increased by the same amount,

• A) the solid sphere becomes bigger than the hollow one.
• B) the hollow sphere becomes bigger than the solid one.
• C) the two spheres remain of equal size.
• D) the solid sphere becomes heavier and the hollow one lighter.
• E) the solid sphere becomes lighter and the hollow one heavier.

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Definitions:

Heuristics

Mental shortcuts or rules of thumb that allow individuals to make decisions quickly and efficiently, but sometimes at the cost of accuracy.

Group

A number of individuals or things considered together because of similarities or a common purpose.

Team

A group of people brought together to use their individual skills on a common project or goal.

Job Sharing

An employment option in which one full-time job is divided among two or more people according to predetermined hours