Density Flashcards
experiment to measure the density of a regularly shaped object
-measure the mass of the object using an electronic balance
-measure the length breadth and height using a ruler
-repeat for different masses of cuboids of the same material
-plot a graph of mass against volume
-calculate density using gradient
experiment to find the density of a liquid
-measure mass of empty measuring cylinder using electronic balance
-add some liquid to measuring cylinder and record new mass
-find mass of liquid by subtracting mass of empty measuring cylinder
-measure volume using measuring cylinder
-repeat for different volumes of the same liquid
-plot a graph of mass against volume
-calculate density using gradient
experiment to find density of an irregular solid
-measure mass of object using electronic balance
-add some water to measuring cylinder
-measure volume of water in measuring cylinder
-submerge object in liquid
-measure new volume of water and object
-calculate volume of object
-repeat for different shaped objects of same material
-plot a graph of mass against volume
-calculate density using gradient
density equation
mass/volume
what does kinetic theory describe matter as
a large number of particles
what does kinetic theory explain
the properties of the different states of matter
particle arrangement of solids
fixed positions, close together in rows
particle movement in solids
vibrate about their fixed position
forces in solids
strong
shape of solids
fixed
volume of solids
fixed
particle arrangement in liquids
mainly touching with some gaps
particle movement in liquids
particles can move around each other
forces in liquids
strong but particles have strong enough energy to prevent them being held in a fixed arrangement
shape of liquids
take shape of container
