unit 1
the a.p.e stands for
what is atomic number, protons, electrons?
a subscript is
what is representation of a substance in which subscripts are represented by their chemical symbols?
force is
what is a push or pull that causes an object to change direction?
cold and more dense
what water sinks?
the m.a.n stands for
what is mass number, atomic number, nuetrons?
a chemical symbol is
what is the big letter in the middle of the elements square?
forces are measured in
what is newtons?
warm and less dense
what water rises?
the element CA is
what is element CA is a metal?
a reactant is
what are the substances in the beginning of a reaction?
g.u.e.s.s stands for
what is given, unknown, equation, substitute, solve?
water 80° degrees or warmer is
what is needed for a hurricane formation?
malleable is
what is malleable is the way most metals can be hammered or rolled into sheets?
the mass of reactants equals
what is reactants equals the mass of the products?
newtons 3rd law is
what is for every action there is an equal and opposite reaction?
solar radiation
what heats earths surface?