
1. Which variable belongs on the xaxis?
on the yaxis? 


2. What are the
coordinates of two gridpoints? 


3. Calculate the
slope of this line. 


4. If mass is
measured in grams and volume in cm³, what are the units for the slope of this line? What
physical property does this slope represent? 


5. Calculate the
yintercept for this line. 


6. What is the
equation for this line? 


7. Using the
equation in #6, interpolate the value for the mass when the volume is 4 cm³. 


8. If 20 cm³ of a
material has a measured mass of 125 grams, would you suspect it of being made of the same
material as the items graphed above? 

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Catharine H. Colwell
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PhysicsLAB
Mainland High School
Daytona Beach, FL 32114

