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Name_________________________________ Date____________________________Period_______ Calculating Density What is density? ______________________________________________________________________ What is the formula for density? List some units used for mass List some units used for volume List some units used for density 1) 1) 1) 2) 2) 2) 3) 3) 3) Calculate the density of water using 3 different volumes. Mass (g) Empty Cylinder Mass (g) Cylinder + Water Mass of Water (g) Volume of Water (ml) Density of Water (g/ml) 20 40 60 Average Density of Water Predict the density of water if the volume is 80 ml?_____________ Include units on numbers Graphing Mass and Volume of Water Samples Title_______________________________________________________________________ Mass (g) Volume (mL) What is the independent variable? ________ What is the dependent variable? _________ What will you label the x – axis? _________ What will you label the y – axis? _________ 1) Graph the data from above. 2) Include title, labels, numbers and units. 100 Use the graph to extrapolate the mass of a water sample with a volume of 80 mL. The mass of an 80 mL sample of water is ___________ grams. What is the shape of your graph? _______________________________ What happens to the mass when the volume increases? _________________________________ Is the relationship between mass and volume of a substance direct or inverse? __________________________ Calculate the slope of your line using the data in the table above. What does this slope represent? ___________________