Pearson Edexcel International GCSE (9–1) · PHYSICS · Section
Density
18 practice questions
Practice questions
1–8 of 8 · Normal
Question 1
2 marks · Normal
Answer and see the solution →A metal cube has a mass of 540 g and a volume of 200 cm³.
Calculate the density of the metal, giving your answer in kg/m³.
Question 2
4 marks · Normal
Answer and see the solution →Describe an experiment you could use to find the density of a small, irregular solid object such as a stone.
Question 3
2 marks · Normal
Answer and see the solution →A measuring cylinder contains 80 ml of oil. The mass of the oil is found to be 68 g.
Calculate the density of the oil in kg/m³. Give your answer to 2 significant figures.
Question 4
1 mark · Normal
Answer and check →Which of the following is the correct SI unit for density?
- A.kg/m³
- B.g/cm³
- C.kg/cm³
- D.m³/kg
Question 5
3 marks · Normal
Answer and see the solution →A student investigates the density of three liquids by measuring their mass and volume. Her results are shown below.
Student data for three liquids Liquid Mass (g) Volume (cm³) Density (g/cm³) A 50 40 B 60 50 C 30 25 Complete the table by calculating the density of each liquid. Show your working.
Question 6
2 marks · Normal
Answer and see the solution →Explain why a solid iron nail sinks in water but a solid block of wood floats.
Question 7
3 marks · Normal
Answer and see the solution →A school laboratory has a large block of wax. A student is asked to determine the density of the wax.
(a)[1 mark]She records the mass as 1.20 kg. She measures the block’s dimensions as 20.0 cm × 10.0 cm × 5.00 cm. Calculate the volume in m³.
(b)[2 marks]Calculate the density of the wax block in kg/m³.
Question 8
3 marks · Normal
Answer and see the solution →Describe how you would use a measuring cylinder to measure the volume of an irregular solid. Why is it important to ensure no air bubbles are trapped underneath the object?