experement
using a controlled condition to test a prediction
scientific method
procedures used to salve problems and answer questions that can include stating the problem, gathering information, forming an hypothesis, testing the hypothesis and analyzing
hypothesis
prediction that can be tested
control
standard to which the outcome of a test is compared
varible
something in an experiment that can change
theory
explanation of things or events based on scientific knowledge resulting with many observations.
law
statement about how things work in nature that seems to be true consistenly
raw meterials
substances needed by organisms to make others necessary substances
organism
any living thing
cell
smallest unit of an organism that can cary on life functions
homeostasis
regulation of an organism’s internal life maintaining conditions
contaminate
to make impure by coming into contact with any unwanted substance
spontaneous generation
idea that living things come from nonliving things
bio genesis
theory that living things come only from other living things
common name
a nonscientific term that may vary from region to region
phylogeny
evolutionary history of organisms; used today to group organisms in to six kingdoms
kingdom
first and largest category used to classify organisms
binomial nomenclature
two-words naming system that gives all organisms their scientific name
genus
first word of the two-words scientific name used to identify a group of similar species