Scientific Measurement. Length or Distance The SI (Systems International), units is the meter. A meter is a little longer than a yard stick. A meter is.

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Presentation transcript:

Scientific Measurement

Length or Distance The SI (Systems International), units is the meter. A meter is a little longer than a yard stick. A meter is divided up into smaller units

Tools for measuring length Metric ruler Metric tape Meter stick

Measuring Weight Objects are slightly lighter when weighed at the equator than at the poles. This is because an object’s weight depends on the force of gravity. At the equator, gravity is measurably less, so things are lighter. Thus weight measurements is unreliable for scientific data.

What is Mass? Mass is the amount of matter that an object contains. Mass does not depend on gravity, therefore, an object’s mass always remains the same no matter where the measurement is taken. In the metric (SI) system the basic unit of mass is gram. Measuring_Mass