Physics Topic Practice

Practical: Density of Irregular Solids | GCSE Physics

Master the displacement method (Eureka can) for finding the volume of irregular objects.

What is the name of the can used to measure volume by displacement?

What is Practical: Density of Irregular Solids | GCSE Physics?

"A practical method using a displacement can (Eureka can) to find the volume and density of irregular solids."

Question 1

What is the formula for density?

Question 2

Why does a crisp packet puff up when taken on an airplane flight?

Question 3

Calculate the pressure at a depth of 2m in water (density = 1000 kg/m³, g = 9.8 N/kg).

Question 4

Specific heat capacity is the energy needed to raise 1kg of a substance by ____.

Density Practical

Measure mass using a balance first (before it gets wet).

Fill a displacement can until water drips out of the spout.

Submerge the object; collect the displaced water in a measuring cylinder.

Volume of water = Volume of object. Use ρ=m/V.

Exam Tip

Accuracy Tip: Make sure the object is fully submerged but doesn't touch the bottom or sides of the can.

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