ayeesha57
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A geologist needs to measure the density
of an irregularly shaped pebble.

a Describe how she can find its volume by the method of displacement.

b What other measurement must she make if she is to find its density?​

Respuesta :

abidahoque47

Answer:

density = mass / volume

use a eureka can to find the volume The can is filled to the top with water and the object placed in it. The volume of the object is equal to the volume of the water that is forced through the spout.

use a balance to find the mass (in kg)

pstnonsonjoku

To find the volume of an irregularly shaped object, you need to use a measuring cylinder.

The measuring cylinder is filled with water up to a particular level and this volume is recorded. The irregularly shaped object is now added and the increase in the new volume of the water is noted.

The volume of the irregularly shaped object now becomes;

New volume of water - original volume of water.

The scientist must also measure the mass of the pebble since density is given as mass/volume.

The mass is measured using a spring balance.

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