Unit 1
properties that can be what and what without changing the composition of matter
what is measured or observed
a letter or pair of letters that represent the element in the formula
what is chemical symbol
a force, a push or a pull causing an object
what is stop, move or change direction
a cold boundary front
what is a cold front
refers to the way most metals can be stretched into wires
what is ductile
represents the number of atoms to the left of the subscript
what is subscript
the movement of balanced forces
what is speed and direction
cool air masses becoming more what and start sinking
what is dense
properties of metals
what is luster, good conductors of heat, high density, high melting point, ductile, malleable
the substances in the what of a reaction
what is beginning
the causes the unbalanced forces cause towards an object
what is position, direction or speed
as cool air gets higher
becomes more dense
atoms, of which two elements have a combined total of 23 protons together
what is sodium (Na) magnesium (Mg)
the law of… says that matter can’t be created or destroyed
what is conservative of mass
the formula for solving acceleration
what is f/m
the front were cold and warm air meets
what is stationary front