Does a Plastic Bottle of Fresh Water Sink or Float

question 98

Multiple Choice

Does a plastic bottle of fresh water sink or float in the ocean? Why?

• A)Sinks; The combined density of the plastic bottle plus the fresh water inside is greater than the density of the ocean water.
• B)Floats; The bottle filled with fresh water floats in ocean water because it is less dense than the ocean water.
• C)Floats then sinks; The bottle filled with fresh water floats in ocean water until the fresh water reaches the same temperature as the ocean water, at which point it sinks.
• D)Sinks slightly; The added density of the plastic bottle will cause the bottle to sink slightly. It would most likely sink less than a foot where the density of the ocean water would be equal to or greater than the bottle of fresh water.

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Definitions:

Cognitive Processes

Pertains to the mental activities involved in acquiring knowledge and understanding through thought, experience, and the senses.

Arousal-Related Processes

The psychological and physiological mechanisms that regulate levels of arousal, affecting attention, motivation, and performance.

Cathartic Hypothesis

The notion that acting aggressively, or even just viewing aggressive material, reduces feelings of anger and aggression.

Physically Assault

Refers to engaging in physical force or violence against another individual, causing harm or injury.