# Density Review Question Preview (ID: 43792)

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Density Review.
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**What is the formula for calculating density?**

a) D= Length x width x height

b) D= Mass x volume

c) D=mass/volume

d) D= mass - volume

**What do we use to find the mass of an object?**

a) a graduated cylinder

b) triple beam balance

c) you measure length, width, and height with a ruler

d) You add up all sides

**How do we find the volume of a REGULAR object?**

a) you multiply the length, width, and height

b) You put it on a triple beam balance

c) You drop it in a graduated cylinder with water and see how much the water level changes

d) You put it on a scale

**How do you find the volume of an IRREGULAR object (like a rock)?**

a) You multiply the length, width, and height.

b) You put it on a triple beam balance

c) You use water displacement (drop it in a cylinder with water and find the difference)

d) you guess

**What is another name for water displacement?**

a) irregular volume

b) Archimedes' Principle

c) The water rule

d) the bathtub method

**IF a block has a mass of 60 g and a volume of 5 mL-what is its density?**

a) 65

b) 55

c) 12

d) 5

**What is the volume of a block with the measurements 2 cm, 5 cm, and 10 cm?**

a) 17

b) 100

c) 52

d) 20

**IF an object sinks in water-what could its density be?**

a) 0.5

b) 0.6

c) 1.0

d) 2.0

**Do all pieces of gold have the same density?**

a) YES

b) NO

c)

d)

**James put 50 mL of water in a cylinder. He dropped in a rock and the level rose to 70 mL. What was the volume of the rock?**

a) 70

b) 20

c) 350

d) You do not have enough information.

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