1) What is the formula for density? a) Mass/Volume b) Volume/Mass c) Mass x Volume d) Mass + Volume 2) If an object has a mass of 11 g and a volume of 2 cm³, what is its density in 3 s.f.? a) 5.5 g/cm³ b) 5.50 g/cm³ c) 6 g/cm³ d) 5.500 g/cm³ 3) Which of these are the correct definitions of density? a) Mass per unit volume b) Mass divide volume c) Amount of volume an object has in proportion to its mass d) Amount of matter of an object in proportion to its volume 4) Object A and object B have the same volume. Object A sinks in water while object B floats in water. What can be concluded about the objects? a) Object A has the same density as object B. b) Object B is denser than object A. c) Object A is denser than object B. 5) Which units are commonly used for density? a) g/cm³ b) kg/m2 c) g/cm d) kg/m3 6) What is the three coloured liquids in increasing order of density. a) red, yellow, blue b) blue, red, yellow c) blue, yellow, red d) red, blue, yellow 7) Select all substances that are less dense than dish soap. a) Water b) Soda cap c) Honey d) Popcorn kernel e) Rubbing alcohol f) Milk 8) What is the mass of 100 cm3 of liquid that has a density of 2.1 g/cm3? a) 0.021 g b) 210 g c) 47.6 g

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