Required Practical: Determining Density (AQA GCSE Physics): Flashcards

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Required Practical: Determining Density
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What is density?

Mass for a given volume

Density formula

ρ=mV\rho = \frac{m}{V}

Unit of density

kg/m³

Density of solids

Very high density

Density of liquids

High density

Density of gases

Low density

Why does polystyrene have low density?

Solid with open structure, full of air spaces

How to measure mass of regular objects?

Balance

How to measure volume of regular objects?

Ruler to measure dimensions

How to measure mass of irregular objects?

Balance

How to measure volume of irregular objects?

Eureka can (displaced water)

Solid to Liquid process

Melting

Liquid to Solid process

Freezing

Liquid to Gas process

Boiling

Gas to Liquid process

Condensation

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