An Ice Cube Is Floating in a Glass of Water

question 4

Multiple Choice

An ice cube is floating in a glass of water with the water level just reaching the top of the glass. If the temperature in the surrounding area is above freezing, the ice cube will melt. When it does,

• A) water will begin to spill over the top of the glass.
• B) the water level in the glass will remain unchanged as the ice continues to melt.
• C) the water level in the glass will begin to go down.
• D) it is impossible to tell what the water level will do from the information given.

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Definitions:

Pleasure

A feeling of happiness, enjoyment, or satisfaction derived from an experience that is enjoyable or satisfying.

Anesthetics

are substances used to induce anesthesia, temporarily eliminating sensation, typically to perform surgery or other painful procedures without causing pain.

Reticular Formation

A network of neurons located in the brainstem involved in regulating wakefulness, attention, and sleep-wake transitions.

Endocrine System

The endocrine system is a network of glands in the body that produce and release hormones, which help control many important body functions.