1. What is the term that describes the mass per unit volume of a substance?
2. What is the primary role of the displacement apparatus in density measurement?
3. How does the particle model describe the difference between solids and gases in terms of particle arrangement and density?
Density — definition?
Mass per unit volume of a substance.
Particle model — states?
Solids, liquids, gases differ in particle arrangement and movement.
Density measurement apparatus?
Ruler, displacement can, balances, Vernier callipers.
Density — definition?
Mass per unit volume, ρ = M/V.
SI units for density?
Kilograms per cubic meter (kg/m³).
Displacement technique — purpose?
Measure irregular object volume via fluid displacement.
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