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# Big Science 5 Density 10 Calculating the Density of Room-Temperature Water

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This is an excerpt from Amazon's popular line of Bossy Brocci Math and Big Science workbooks! [it's pronounced like "Brawsee"]

Printing should be done in Landscape and DOUBLE-SIDED, with the flip being along the 'SHORT' side.

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Students will:

1) Determine and Record the Average Density of Room Temperature water from 4 Volume samples:
10 mL
20 mL
30 mL
and
40 mL

2) Measure, Calculate and Record 5 physical properties in a Data Table:
Mass of Empty, Dry Graduated Cylinder (or other vessel)
Water Volume at Meniscus (depicted in Table)
Mass of Filled-to-mark Graduated Cylinder (or other vessel)
Mass of specified Volume of Water
DENSITY of specified volume of water

3) Fill-in a total of 20 cells in this first Data Table

4) Calculate & Record in a 2nd, mini Data Table:
Sum of four Density runs/results
Room-Temperature Water's Average Density
Room-Temperature Water's Average Density rounded to a WHOLE Number

5) Graph or Plot Water Mass (y) vs. Water Volume (x) from their 1st Data Table onto the provided and pre-scaled a Graph

6) Draw a Line of Best Fit (by eye).

7) Calculate and Record Unit Slope (simplified slope) of this Best Fit Line, rounded to a Whole Number

8) Answer 20 Fill-in-the-Blank and Multiple-choice questions based on their Calculations, Observations and Plots in the preceding Data Tables & Graph

9) Discover that Density is an Intensive Property: pouring more water increases volume and mass of water, but the density of water (at a particular temperature) is constant, invariant

10) Prove to themselves why we say the Density of water is approximately 1 g/mL

11) Be compelled to present their work in a neat & orderly format

12) Be trained to Calculate & Comprehend Density as a Constant, Intensive Property at a particular temperature methodically & systematically

Printing should be done in Landscape and double-sided, with the flip being along the 'short' side

Science Chemistry Physical Science Physical Property Particle Packing Density Mass Volume Calculating Density Identifying Elements Substances Density of irregular solids Density of Liquids Density of Water Density Anomaly Density Inversion Intensive Properties Extensive Properties Density as an Intensive Property Density as a Unique Substance-Specific Property Temperature's Effect on Density Calculating Density by Displacement Calculating Density of Regular Geometric Solids Rectangular Prisms Cubes Density of Elements Water's Density Anomaly Density Layers Density Columns Density Layer Columns Using Density to Identify Unknowns Identifying Unknowns by their with using Density
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