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IGCSE Physics5.4 Density practicalTopic Practice

5.4 Density practical

Practical: investigate density using direct measurements of mass and volume

Question 1

[Maximum number: 4]

A student plays a game using a single dice.
The student decides to determine the density of the dice by measuring its mass and volume.

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Question 1(a)

(a)

Describe how the student could accurately measure the mass of the dice.

[ 2 ]

Question 1(b)

(b)

The dice is not a regular shape.

The student decides to measure the volume of the dice using a displacement method.

The student places the dice into a measuring cylinder containing water.

The diagram shows the water in the measuring cylinder before and after the dice is fully submerged.

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[ 2 ]

Question 1(b)(i)

(i)

The measuring cylinder gives volume in units of cm^3.

Using the diagram, determine the volume of the dice.

volume = ............ cm^3

[ 2 ]

Question 5(a)

[Maximum number: 5]

A student needs to determine the density of some small rocks that appear to all be made of the same material.

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(Source: © Chake / Shutterstock)

The student decides to measure the mass and the volume of each rock.

Describe a method the student could use to accurately determine the mass and the volume of each rock.

You may draw a diagram to help your answer.

Question 8(a)

[Maximum number: 5]

A scientist investigates different samples of rock.

The scientist wants to calculate the density of a rock sample.

She needs to measure the mass and the volume of the rock.
Describe how to obtain accurate measurements of the mass and the volume of the rock.
You may draw a diagram to support your answer.

Question 8(a)(i)

[Maximum number: 4]

Hailstones are small pieces of ice that sometimes fall to the ground during storms.

Describe how to determine the density of a hailstone.

Assume that hailstones are spherical.

Question 8

[Maximum number: 5]

The diagram shows a pot made of clay.

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(Source: © Victoria Sergeeva / Shutterstock)

Question 8(a)

(a)

Describe a method that could be used to accurately determine the volume of clay used in the pot.

[ 4 ]

Question 8(b)

(b)

Give the name of a piece of apparatus that could be used to measure the mass of the clay pot.

[ 1 ]

Question 11(c)

[Maximum number: 3]

A student uses a bottle and a stopper to find the density of an unknown liquid. The stopper fits tightly into the bottle and has a small diameter hole through it.

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Another student uses a measuring cylinder to find the volume of the unknown liquid. Discuss the advantages and disadvantages of using each method to find the volume of the unknown liquid.

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