1) Density is a description of a) how many particles an object has b) how much space an object takes up c) the volume divided by the mass d) how closely packed together the particles are 2) The formula for density is a) mass / volume b) mass x volume c) volume / mass d) volume + mass 3) The units of density are a) kg b) g /cm 3 c) m 3 d) m 3 / kg 4) What do we use to measure the volume of an irregular shaped object? a) A displacement or Eureka can b) A ruler c) A balance d) A newton meter 5) How do you measure the volume of a regularly shaped object a) height x length b) width + length + height c) height x length x width d) length x width 6) How do we know if a substance is less dense that water? a) It will float in water b) It will sink in water c) It will dissolve 7) The mass of an object is found using a a) measuring cylinder b) balance c) ruler d) displacement can 8) The mass is measured in a) kg or g b) m 3  or cm 3 c) m or cm d) kg/m 3 9) If an object has a mass of 10 kg and a volume of 2 m 3 , what is its density? a) 5 kg/ m 3 b) 10 kg /m 3 c) 20 kg / m 3 d) 2 kg / m 3 10) If an object has a mass of 50 kg and a volume of 5 m 3 , what is its density? a) 5 kg/ m 3 b) 10 kg /m 3 c) 20 kg / m 3 d) 2 kg / m 3

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