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19 terms

Apologia Physical Science module 1

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physical science
the science of matter and energy and their interactions
atom
the smallest component of an element having the chemical properties of the element
molecule
the smallest particle (one or more atoms) of a substance that has all the properties of that substance
element
is a form matter that contains only kind of atom.
compound
(chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight
mixture
(chemistry) a substance consisting of two or more substances mixed together (not in fixed proportions and not with chemical bonding)
units
Tells the reader how the information is being measured/reported, Tells the reader how the information is being measured/reported
metric system
a decimal system of weights and measures based on the meter and the kilogram and the second
mass
the amount of matter in an object
gram
a metric unit of weight equal to one thousandth of a kilogram
Newton
the metric unit for forces including weight
meter
a metric unit to measure length or distance (it's about the same as a yard)
foot
a linear unit of length equal to 12 inches or a third of a yard
liter
a metric unit of volume
second
1/60 of a minute
factor-label method
method of converting to one unit of measure
slug
The English unit for mass
celsius
sometimes called centigrade, standard scale for measuring temperature
concentration
The quantity of a substance within a certain volume