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About Density. M. V. D. Mass. The amount of matter in an object Not affected by gravity Measured with: triple beam balance or electronic balance Units: grams (g). Volume. The amount of space an object takes up Measured with: L x W x H = cm 3 Graduated cylinder = mL
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About Density M V D
Mass • The amount of matter in an object • Not affected by gravity • Measured with: triple beam balance or electronic balance • Units: grams (g)
Volume • The amount of space an object takes up • Measured with: • L x W x H = cm3 • Graduated cylinder = mL • Water displacement method = mL • Volume changes with temperature • Cooler = less volume • Warmer = more volume
DENSITY • The relationship between mass and volume • Density = Mass Volume • Physical property • Units: g/mL or g/cm3 • Density of water = 1 g/mL • Density < 1 = floats • Density > 1 = sinks • Density changes with temperature • Warmer = less dense = rises • Cooler = more dense = falls M V D