When a Solid Melts

question 53

Multiple Choice

When a solid melts,

• A) the temperature of the substance increases.
• B) the temperature of the substance decreases.
• C) heat energy leaves the substance.
• D) heat energy enters the substance.

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Definitions:

Pesticide Pollutants

Chemical substances used to kill pests, but when misused or overused, they can become environmental pollutants, affecting non-target species and ecosystems.

Great Lakes

A group of five large lakes in North America that include Lakes Superior, Michigan, Huron, Erie, and Ontario, forming the largest freshwater system on Earth.

Treatment Plant

A facility designed to process wastewater or sewage to remove contaminants and produce effluent that is safe for release into the environment.

Filter

A device or process that removes impurities, particulates, or specific elements from a flow of liquid, air, or data, allowing only desired materials or information to pass through.