with Verified Answers
Science - CORRECT ANSWER gathering of knowledge about or study of the natural
world based on facts learned through experiments and observations
Science Is - CORRECT ANSWER a self correcting process based on the natural
world
science cannot - CORRECT ANSWER make moral judgement
does not tell you how to use scientific knowledge
does not draw conclusions or delve into supernatural explanations
limitations of science - CORRECT ANSWER time
technology- that we have now
new discoveries
hypothesis - CORRECT ANSWER is a specific, testable prediction about what you
expect to happen during the course of your experiment
theory - CORRECT ANSWER is an explanation or idea about what the world is like
or how things work in the world
a theory can change - CORRECT ANSWER when there is new scientific evidence
what is used to tes theories - CORRECT ANSWER the scientific method
what is one way inventions are made? - CORRECT ANSWER by revising theories
DDT was seen as - CORRECT ANSWER an ideal pesticide, because it is inexpensive
and breaks down slowly in the enviroment
silent spring - CORRECT ANSWER rachel carson 1962, the impacts of the wide
spread and indiscriminate use of pesticides
, silent spring brought - CORRECT ANSWER environmental concerns to the
american global public, water shed movement
silent spring is credited for - CORRECT ANSWER ban use of DDT in the US
since DDT breaks down slowly - CORRECT ANSWER it allows it to biomagnify
biomagnification - CORRECT ANSWER the concentration of toxins in an organism
as a result of its ingesting other plants or animals in which the toxins are more
widely disbursed.
Cryosphere (definition) - CORRECT ANSWER all solid ice in the form of glaciers,
snowcaps, sea ice, permafrost, etc.
(cryo: ice)
components of the cryosphere - CORRECT ANSWER glaciers ( 10% of land's mass)
slowly moving masses
Ice Sheets (land over the ocean) connected to glaciers
calving - CORRECT ANSWER is when ice sheets break off the ocean, known as ice
bergs
impacts of glaciers - CORRECT ANSWER shapes the lithosphere: by eroding rocks
(sediments are deposited in other places across the land and water)
calving impacts - CORRECT ANSWER land and oceans: causing sea levels to rise &
increase the salinity
salinity - CORRECT ANSWER the amount of salt in water
sea ice - CORRECT ANSWER constantly freezing to melting: floats in sea
permafrost - CORRECT ANSWER a thick subsurface layer of soil that remains
frozen throughout the year, occurring chiefly in polar regions.
permafrost 2 - CORRECT ANSWER 1/5 of the land surface, top layer active: allows
plants to root and grow