1) Which of these is the correct unit for density? a) kg/m b) kg/m2 c) kg/m3 d) kg 2) Which of these is the correct equation to calculate density? a) density = mass ➗ volume b) density = volume ➗ mass c) density = volume x mass d) density = mass x volume 3) What is the definition of density? a)  The mass of 1kg of a substance. b) How closely packed the particles are in a substance. c) The volume of 1kg of a substance. d) How heavy something is. 4) Which state of matter has the highest density? a) solid b) liquid c) gas 5) Which state of matter has the lowest density? a) solid b) liquid c) gas

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