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chapter 1
exploring and classifying life
24
Science
7th Grade
10/01/2012

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Term
Scientific method
Definition
an organized way to solve a problem using a series of steps
Term
Hypothesis
Definition
an educated guess based upon the information you have gathered - a predition that can be tested
Term
Control
Definition
in an experiment,it is the standard to which the outcome of the test will be compared
Term
Variable
Definition
something in a experiment changing the thing you are testing
Term
constant
Definition
something that stays the same for both parts of the experiment
Term
law
Definition
a statement about how things work in nature. it describes what happens but does not explain why it happens.
Term
theory
Definition
an explaination based apon scientific knowledge it explains why some thing happens.
Term
biogenenis
Definition
the theory that living things come from other living things
Term
spontaneous generaation
Definition
the theory that living things came from non living things.
Term
cell
Definition
the smalest unit of an organism. that can carry out the functions of life.
Term
organism
Definition
a living thing
Term
phylogeny
Definition
the evolutionary history of an organism.
Term
homostasis
Definition
maintaining the proper internal conditions inside an organism despite changes in the enviorment..
Term
KINGDOM!
Definition
the largest catagory of organisms
Term
binomial nomenclature
Definition
a 2 word system 2 name species. consist of genus & species
Term
species
Definition
the smallest classification catagory
Term
volume
Definition
the amount of space ocupied by an object.
Term
liter
Definition
the metric unit of volume its slitely larger than a Quart.
Term
mass
Definition
how much stuff or matter is in some thing or the weight.
Term
gram
Definition
the metric unit of mass about the weight of one M&M.
Term
temperature
Definition
how much heat energy is in a substance it causes atoms to vibrate.
Term
meter
Definition
the metric unit of lenth an lil longer than a 3''(yard).
Term
S.I.(systom international)
Definition
the metric system used by all scienticts international system of units./
Term
metabalisem
Definition
the chemical proces ocuring within a living thing.
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