Formal Sentence Definitions: Practice

Select one of the following, and press Rewrite. You'll then rewrite the base sentence using the "raw materials" to create a formal sentence definitions:

Term:Solar collector
Raw materials: In a solar heating system, heats circulating water necessary for space heating. Uses layers of glass to trap heat.
Term:Salt water marsh
Raw materials: Low coastal grassland frequently overflowed by the tide; develop when the rate of sediment deposition is greater than the rate of land subsidence.
Term:Sickle-cell disease
Raw materials: Human genetic disorder; affects red blood cells; when red blood cells give up oxygen, they take on an elongated shape; elongated cells clog blood vessels and are less able to become re-oxygenated.
Term:Greenhouse effect
Raw materials: The trapping of solar radiation into the lower atmosphere; makes Earth's surface warmer than it would be otherwise; caused by carbon dioxide in atmosphere block re-radiation of infrared heat back into space.
Term:Hazardous waste
Raw materials: Can cause death or increase in serious, irreversible, or incapacitating illness; poses substantial threat to human health and the environment if improperly treated, transported or disposed of.

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