An Ice Cube with Large Air Bubbles in It Floats

question 73

Multiple Choice

An ice cube with large air bubbles in it floats in a brim-full container of water. When the ice cube melts,

• A)water spills over.
• B)no change in water level occurs.
• C)water level in the container goes down.

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Definitions:

Feedback Loops

Mechanisms through which a system's output is fed back into the input, commonly used in biological and technical systems to maintain homeostasis or control.

Present

The period of time that is currently occurring, in contrast to the past or future.

Past

The period of time that has already occurred, in contrast with the present and the future.

Future

Pertains to the time or a period that is to come which is beyond the present moment.