Answer the Wednesday Question in your Bellwork BELLWORK 10-21-15.
BELLWORK Write down in your notebook as many examples as you can of a “unit”. I.e. pounds,...
-
Upload
sabina-flowers -
Category
Documents
-
view
213 -
download
0
Transcript of BELLWORK Write down in your notebook as many examples as you can of a “unit”. I.e. pounds,...
BELLWORKWrite down in your notebook as many
examples as you can of a “unit”. I.e. pounds, quart, etc.
Be prepared to share with the people at your table.
UnitsClass listWhy do we have them?What is their purpose?
UnitsClass listWhy do we have them?What is their purpose?Can there be different units measuring the
same value?
UnitsClass listWhy do we have them?What is their purpose?Can there be different units measuring the
same value?Why are there different units for the same
value?
UnitsWhat are the standard units we use in
physics? Symbols?Length/DistanceMassTimeVelocityAccelerationForceEnergy
ScaleWhat if the numbers are too big or small for
the standard unit?
ScaleWhat if the numbers are too big or small for
the standard unit?Metrix Prefixes/Exponential
ScaleWhat if the numbers are too big or small for
the standard unit?Metrix Prefixes/ExponentialEx. Centi, milli, kilo, etc.
ScaleWhat is the metric prefix scale?
Measurements
MeasurementsOnly as accurate as your tool.If you want a better measurement…
MeasurementsOnly as accurate as your tool.If you want a better measurement…
Use a better tool or method!
ErrorThere are a whole bunch of rules…
ErrorThere are a whole bunch of rules…No more accuracy than your largest
measurement
When in doubt use 3 decimal place accuracy.
3.56 cm
1.4767 cm
1.268cm