click below
click below
Normal Size Small Size show me how
DSST Env.Sci. Chp. 1
vocab. for DSST Env.Sci. from Environmental Science by Karen Arms
Question | Answer |
---|---|
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 |
scientiļ¬c 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 |