DensityIB MYP Physics: Mind map

Exam questions on Density

1. A jeweller in Jaipur is testing a solid rectangular metal block. The block has a mass of 324 g and measures 4.0 cm by 5.0 cm by 6.0 cm.
   The density of the block is 2.7 g/cm³. Convert this to kg/m³.2 marks
2. A ship designer in Busan tests three materials in fresh water, which has a density of 1.0 g/cm³. The density of the wood is 0.60 g/cm³, the density of the plastic is 1.2 g/cm³ and the density of the steel is 7.8 g/cm³.
   Calculate the mass of 50 cm³ of the wood.2 marks
3. A student in Accra wants to find the density of a small irregular stone. She has a balance, a displacement can filled to the spout with water, a measuring cylinder and some string. She finds that the stone has a mass of 84 g and that the water displaced by the stone measures 30 cm³.
   Outline how the student could have obtained the mass and the volume of the stone.3 marks