Basic Facts
1,000 milliliters=1liter
Define volume
the amount of space a substance occupies
what is H20?
a molecule
Nmae 3 physical properties of matter.
color, odor, mass, etc.
what is the law of conservation?
all matter has mass, which means that matter takes up space and has weight
how is mass measured?
small masses-grams (g)
larger masses-kilograms (kg)
1,000 gram= 1 kilogram
expression for density
p=m/v
give an example of a chemical change
burned log
Gas will expand or spread apart, to fill its container.
A gas can also be squeezed, or compressed, into smaller containers.
what is the fourth state of matter?
plasma
processes of the water cycle
evaporation, condensation, precipitation, collection