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PSSA Vocabulary

Study This For Science Quiz

QuestionAnswer
Fact Information that has been objectively verified
Theory A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.
Hypothesis An assertion subject to verification or proof as a premise from which a conclusion is drawn.
Law Summarizing statement of observed experimental facts that has been tested many times and is generally accepted as true.
Model A description, analogy or a representation of something that helps us understand it better.
Inquiry A systematic process for using knowledge and skills to acquire and apply new knowledge.
Patterns Repeated processes that are exhibited in a wide variety of ways; identifiable recurrences of the element and/or the form.
Regulation A rule or order issued by an executive authority or regulatory agency of a government and having the force of law.
Closing The Loop A link in the circular chain of recycling events that promotes the use of products made with recycled materials.
Non-renewable Sources Substances (e.g., oil, gas, coal, copper, gold) that, once used, cannot be replaced in this geological age.
Renewable A naturally occurring raw material or form of energy that will be replenished through natural ecological cycles or sound management practices (e.g., the sun, wind, water, trees).
Recycling Collecting and reprocessing a resource or product to make into new products.
Composting The process of mixing decaying leaves, manure and other nutritive matter to improve and fertilize soil.
Evolution A process of change that explains why what we see today is different from what existed in the past; it includes changes in the galaxies, stars, solar system, earth and life on earth.
Extinction The complete elimination of a species from the earth.
Endangered Species A species that is in danger of extinction throughout all or a significant portion of its range.
Equilibrium The ability of an ecosystem to maintain stability among its biological resources (e.g., forest, fisheries, crops) so that there is a steady optimum yield.
Sustainability The ability to keep in existence or maintain. A sustainable ecosystem is one that can be maintained.
Succession The series of changes that occur in an ecosystem with the passing of time.
Created by: Lekaiah
 

 



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