George Dropped His Keys into a Grate on the Sidewalk

question 76

Multiple Choice

George dropped his keys into a grate on the sidewalk in front of his house. He could see them, but couldn't reach them. He went back into his house and noticed that his son was using the vacuum cleaner to pick up some cereal that was spilled on the floor. This gave George the idea to put the long hose of the vacuum into the grate to pick up the keys. This sort of thinking relies on which of the following?

• A) mental set
• B) functional fixedness
• C) algorithms
• D) analogies

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Definitions:

Active Transport

The movement of molecules across a cell membrane from an area of lower concentration to one of higher concentration, requiring energy.

Excretory System

A biological system that removes excess, unnecessary materials from an organism, allowing it to maintain homeostasis and prevent damage to its body.

Uric Acid

Main nitrogenous waste of insects, reptiles, and birds.

Feces

Waste matter discharged from the bowels after food has been digested, essentially the body's solid waste.