Required Practical: Determining Density (OCR GCSE Physics A (Gateway Science Suite)): Quizzes

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Required Practical: Determining Density
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What is the formula for density?

ρ=mV\rho = \frac{m}{V}

What are the units for density?

kg/m³

Which state of matter has very high density?

Solids

Which state of matter has low density?

Gases

Why does polystyrene have low density?

Air spaces give small mass for volume

What equipment measures the mass of a regular object?

Balance

How is volume of a regular object measured?

Ruler to measure dimensions

What equipment finds volume of an irregular object?

Eureka can

In a Eureka can, what equals the object's volume?

Volume of water displaced

What state change occurs during melting?

Solid to liquid

What is sublimation?

Solid to gas

What state change is condensation?

Gas to liquid

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