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30 Cards in this Set

  • Front
  • Back
matter
anything that has mass and takes up space
states of matter
solid, liquid, gas
mass
the amount of matter contained in an object
mass
it is always the same everywhere in the universe
weight
the measure of the pull of gravity on an object
weight
depends on where you are in the universe
density
the concentration of matter in an object
density
determined by the formula
d = m/v

density = mass/volume
volume
the amount of space an object takes up
volume
two methods to find this:
1) measure, then use formula
V = l x w x h
or
2) water displacement method
physical property
the characteristics of a substance that identifies that substance; these can be observed without changing the substance
examples of physical properties
density, color, texture, odor, shape, size, luster, hardness, transparency, state of matter, freezing point,etc
solid
made up of molecules that are tightly connected; they have a definite shape, size, and volume
liquid
made up of molecules that are loosely conected; they have a definite volume but no definite shape
gas
made up of molecules that are not connected; they have no definite size, shape, or volume
matter
anything that has mass and takes up space
states of matter
solid, liquid, gas
mass
the amount of matter contained in an object
mass
it is always the same everywhere in the universe
weight
the measure of the pull of gravity on an object
boiling point
the temperature at which a bubbling liquid changes to a gas
condensation point
the temperature at which a gas changes to a liquid
freezing point
the temperature at which a liquid becomes a solid
melting point
the temperature at which a solid becomes a liquid
freezes
a liquid ________ if it is losing heat
melts
a solid _______ if it is taking in heat
0°C (or 32°F)
the melting/freezing point of water
100°C (or 212°F)
the boiling point of water
1g / cm or 1g/mL
the density of water
buoyancy
the upward pressure on a floating object