unbalanced forces
Forces that cause a change in the motion of an object
physical change
a change that makes NOTHING new and is sometimes reversible
physical property
a characteristic that can be observed or measured without changing
the identity of the substance
chemical change
a change that makes something new and is NEVER reversible
Relative Density
floating or sinking when compared to water
, Solubility
The ability to dissolve in another substance
magnetic force
the attraction or repulsion between magnetic charges
magnetic attraction =
opposite charges (+ -> <- -)
magnetic repulsion (repelling) =
same charges (+ <--> +) and (- <--> -)
Density
how compact an object is or density=mass/volume