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chap. 1 words
test
17
Science
7th Grade
09/04/2006

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Cards

Term
autotrophs
Definition
makes its own food
Term
heterotrophs
Definition
cannot make its own food
Term
hypothesis
Definition
a educated quess
Term
variable
Definition
any factor that can change in an expirement
Term
cell theory
Definition
relationship between cells and living things
Term
scientific inquiry
Definition
a well tested concept
Term
observation
Definition
using your sences sight, hearing, touch, semmel and sometimes taste to get data
Term
inference
Definition
prior knowledge
Term
manipulated variable
Definition
a scientist changes to test a hypothesis during a expirement
Term
organism
Definition
a living thing
Term
development
Definition
to produce a more complex organism
Term
Robert Hooke
Definition
1st person to observe the cell
Term
Anton van Leeuwenhoek
Definition
observed tiny obkects in microscope
Term
control
Definition
variable except for one remain the same
Term
magnification
Definition
the ability to make things look bigger than they are
Term
resolution
Definition
The ability to clearly distinguish the individual parts of an object.
Term
prokaryote
Definition
An organism whose cells lack a nucleus and some other cell structures
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