5th Science State Test Review - Physical Science Only

5th Science State Test Review - Physical Science Only




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