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19 Cards in this Set

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Element
cannot be changed into simpler substances by chemical change; only one type of atom
eutrophication
excess nutrients cause excessive algae growth, blocking sunlight and eventually reducing oxygen available for organisms
matter
has the property of inertia
homogeneous
all parts are alike; different parts can not be seen
inertia
an object's resistance to changing its motion
mixture
2 or more substances mixed together but not chemically combined; each part keeps its own properties
What ar 3 examples of inertia?
An object...
at rest stays at rest
in motion stays in motion
in motion stays in motion in a straight line
heterogeneous
has different parts that can be seen
hypothesis
proposed solution to a problem
substance
only one kind of material; has definite properties; pure
material
specific type of matter
Variable
factor that is changed between the control and experimental set ups
leach
dissolves from a solid into water sample
Toxic
poisonous; disrupts life processes
chemistry
the study of materials
carcinogenic
causes cancer
Compound
2 or more elements chemically combined; can't be separated physically
Solution
Homogeneous mixture
synergistic
increases the effect of another substance; two substances combine for a multiplied effect