Required Practical: Determining Density (AQA GCSE Physics Combined Science): 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 SI units for density?

kg/m³

Which state of matter has low density?

Gases

Why does polystyrene have low density despite being a solid?

It has air spaces and an open structure

What instrument is used to measure mass?

Balance

How do you measure the volume of a regular object?

Use a ruler to measure dimensions

What apparatus measures the volume of an irregular object?

Eureka can

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

Volume of water displaced

Which state change is melting?

Solid to Liquid

Which state change is boiling?

Liquid to Gas

What is sublimation?

Solid to Gas

What is condensation?

Gas to Liquid

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