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Science Ch 6 Checkup Ia
the study of what substances are made of, and how one substance can be changed into another
anything that takes up space and has weight
a measure of the pull of gravity upon an object
the amount of matter that makes up an object
the amount of matter (mass) in one unit of volume (space)
the tiny particles that make up matter
the tiny, extremely dense core of an atom
tiny particles in an atom that circle the nucleus at tremendous speed
one of the two kinds of particles that make up the nucleus of an atom; has a neutral charge
one of the two kinds of particles that make up the nucleus of an atom; has a positive charge