Density Core Describe an experiment to determine the density of a liquid and of a regularly shaped solid and make the necessary calculation Supplement.

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Presentation transcript:

Density Core Describe an experiment to determine the density of a liquid and of a regularly shaped solid and make the necessary calculation Supplement Describe the determination of the density of an irregularly shaped solid by the method of displacement, and make the necessary calculation

Density How to calculate the density of an object You should learn: How to calculate the density of an object Examples of where density is measured in industry.

Summary Density = mass / volume Changing round the formula : Volume = mass / density Mass = volume × density Density of water = 1000 kg/m³ = 1 g/cm³

To do Carry out the experiments on the work sheet

Measuring density A solid 1. Find mass using a ………………... 2. Find volume by using a ………… ………….. to measure the change in the volume of water when solid is added. 3. Use the equation A liquid 1.find mass of container using ………………… 2.Measure volume of liquid using a ……… ................... 3.Measure the mass of the liquid and the container together 4.Subtract mass of container from mass of liquid and container to find the …... …. … ……… 5.Use the equation

P 17 answer all questions P19 answer all questions

Density review Wood floats, because... Pick the best explanations. Some may be used more than once, or not at all. Wood floats, because... Ships float higher in sea water, because... Steel does not float, because... ... it is less dense than water ... it is more dense than water ... it has a density of less than 1 g/cm3 ... it has a density of more than 1 g/cm3

Chapter 12 : Density Answers Wood floats, because... Pick the best explanations. Some may be used more than once, or not at all. Wood floats, because... Ships float higher in sea water, because... Steel does not float, because... ... it is less dense than water ... it is more dense than water ... it has a density of less than 1 g/cm3 ... it has a density of more than 1 g/cm3

Evaluating the experiments