📏 Scientific Measurements (Lab Tools)

• Metric System (SI Units): Meter (length), Kilogram (mass), Liter (volume), Second (time).

• Prefixes: Kilo (1000), Hecto (100), Deca (10), Deci (0.1), Centi (0.01), Milli (0.001).

• Conversions:

  • 1 m = 100 cm = 1000 mm.

  • 1 L = 1000 mL.

  • 1 kg = 1000 g.

• Tools:

  • Triple beam balance → mass.

  • Electronic/pan balance → weight.

  • Graduated cylinder, volumetric flask/pipette → liquid volume.

• Properties:

• Mass = resistance to movement.

• Volume = 3D space occupied.

• Weight = force against gravity.

• Distance = length between points.

• Time = duration of events.

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