Density (AQA GCSE Maths): Quizzes

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Density
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What does density measure?

Mass per unit volume

What is the formula for calculating density?

Density=massvolume\text{Density} = \frac{\text{mass}}{\text{volume}}

How do you calculate mass if you know density and volume?

Mass=density×volume\text{Mass} = \text{density} \times \text{volume}

Which units are commonly used for density?

g/cm3\text{g/cm}^3 and kg/m3\text{kg/m}^3

An object with what density will float in water?

Less than 1 g/cm31 \text{ g/cm}^3

A block has density 8.0 g/cm38.0 \text{ g/cm}^3 and volume 25 cm325 \text{ cm}^3. What is its mass?

200 g200 \text{ g}

An object has mass 150 g150 \text{ g} and volume 50 cm350 \text{ cm}^3. What is its density?

3.0 g/cm33.0 \text{ g/cm}^3

Why is unit matching important in density calculations?

Mismatched units cause common errors

For mixed materials, what should you calculate first?

Total mass and total volume

When using the formula triangle, what should you do to find a quantity?

Cover the quantity you want to find

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