Matching Pairs Density - FlashcardsOnline version Density - Flashcards by Benjamin D Morgan 1 Mass 2 A. This causes things to sink and float 3 How to find(calculate) Density 4 Volume 5 Density 6 Lower density items sink or float 7 Higher density items sink or float 8 Lower density 9 Low Density particle spacing 10 Higher Density 11 A. This does NOT cause things to sink or float 12 High Density particle spacing 13 Weight How heavy something is compared to its size Amount of space an object takes up sink float material at a higher temperature has a density that is... material at a lower temperature has a density that is... A. Weight particles are far apart D = m/v Mass divided by volume particles are close together A measure of gravity on an object's mass A. Density Amount of matter in an object