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Env. Sci. Chapter 1

TermDefinition
aesthetic relating to something that is beautiful or pleasing
applied science study and activity that uses information provided by pure science to solve problems; examples are engineering and medicine
bar graph a graph in which parallel bars are used to compare data
biosphere the layer around the Earth in which life occurs naturally, extending from about 8 km above the Earth to the deepest part of the ocean, which is about 8 km deep
consumption crisis situation in which natural resources are being used up, wasted, or polluted faster than they can be renewed, replaced, or cleaned up
control constant factor used in an experiment to test a hypothesis
data observed or gathered information from which conclusions can be drawn
developed countries highly industrialized countries with high incomes and high standards of living
developing countries less industrialized countries in which the average income and standard of living are low
ecology the study of how living things interact with each other and with their nonliving environments
environment the surroundings of an organism that affect its life and development
environmental science study of how humans interact with the environment
experiment activity designed to test a hypothesis under controlled conditions
hypothesis a testable explanation for a specific problem or question, based on what has already been learned
line graph graph in which data points are plotted and connected with lines to show relationships
natural resource any natural substance that humans use, such as sunlight, soil, water, plants, and animals
nonrenewable resources resources that can be used up faster than they can be replenished naturally, such as coal, oil, and natural gas
observation use of our senses to report the characteristics of properties and phenomena
pollution the contamination of the air, water, or soil
population crisis situation in which the number of people grows so quickly that a region cannot support them
prediction statement about what one expects will happen
pure science study and activity that seek answers to questions about how the world works; examples are biology and physics
renewable resources abundant natural resources that are continually produced, such as trees and sunlight
resource depletion exhaustion of a natural resource, such as the extraction of oil from the Earth or the absence of nutrients from soil that has been overused
science systematized knowledge derived from observation, study, and experimentation; also the activity of specialists to add to the body of this knowledge
scientific methods methods scientists use to answer questions; includes observing, hypothesizing and predicting, experimenting, organizing and interpreting, and reporting
sustainable world world in which human populations can continue to exist indefinitely with a high standard of living and health
value what a person considers important, as when making a decision
variable changed or changing factor used to test a hypothesis in an experiment
Created by: laurenmouw
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