1.2 Methods of Scientists.

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Methods of Scientists Measurement

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1.2 Methods of Scientists

Scientific Method Identify a Problem Form a hypothesis - suggested explanation for an observation Test hypothesis Analyze – record all data Conclusion

Measurement SI system Length – meter stick (meters, cm, mm…) Weight and mass – weight is the measure of gravitational force on an object Unlike mass, weight varies upon locations Weight = Newtons Mass = kg

Measurement (cont) Area and Volume Density Temperature Area is amount of surface included within a set of boundaries (cm2) Volume is the amount of space occupied by an object (cm3) Density Measure of the amount of matter that occupies a given space (mass/volume) Temperature Temp is usually measured in Celsius SI is also done in Kelvin (coldest temp possible is absolute zero