SC-150
Density
Lower Sec Science · Secondary 1 · Medium · Density
A student measures the mass of a metal block as 120 g and its volume as 40 cm³. Which material is most suitable to make another block that must float on water but be stronger than wood? (Density of water is 1.0 g/cm³, density of wood is 0.6 g/cm³.)
- Material P: density 0.4 g/cm³
- Material Q: density 0.8 g/cm³
- Material R: density 1.2 g/cm³
- Material S: density 3.0 g/cm³
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