unit 1
MAN
what is mass number, atomic number, and neutrons?
breaking a egg
what is a example of a chemical change?
force
what is a push a pull to move an object?
conviction currents
what is flow within the mantel?
APE
what is atomic number,protonss,and electrons?
baking a cake
what is a example of a chemical change?
unbalance force
what causes and object to change?
tectonic plates
what is currents to make what move?
valance electron
what is an electron in one of the outer shells of a atom?
subscript
what is N2?
balanced force
what causes and object to stay still?
high pressure
what is cool air masses becomes more dense and sink?
protons
what is the positive part of the cell?
element
what is copper?
net force
what is acting on an object?
low pressure
what is Warm air masses become less dense and rise?