quiz 1 Flashcards
fact
statements about the way we think things are, are changeable, are known through expirements observations or inferences
truth
the way things really are , is true in all times and all places, never changes, is known through direct observation, valid reasoning, or divine revelation
what type of knowledge does science use
facts
theory
a mental model or representation that accounts for scientific facts in an orginized way
hypothesis
a positively stated, informed prediction, based on a theory
expirement
a controlled test of the hypothesis, which isolates, tests, and measures the relationship between 2 or more variables by manipulating one and measuring the effect on the other
analysis
drawing conclusions based on the results of the expirement, deciding if it is consistent or inconsistent with the theory
where does the cycle of scientific enterprise typically start today
theory
magnification
how big something is
resolution
how clear something appears
can a living thing be smaller than a cell
no
what single word distinguishes non-living things from living things
purpose
what is the first characteristic of living things
composed of cells and opperate on many levels of organization
cell
a self-contained living factory surrounded by a membrane, containing genetic materials, capable of self replication and keeping itself alive by cycling matter and energy
levels of organization
atom, molecule, biomolecule, organelle, cell, tissue, organ, organism, population, community, ecosystem, biosphere
