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Graphing Mass vs Volume

Featured in PASCO’s Chemistry through Inquiry Teacher Guide

Chemistry through Inquiry Teacher Guide (PS-2871C)

This manual features over 25 inquiry based labs covering the fundamental concepts of chemistry.

Lab Summary

Use multiple mass and volume data to graphically determine the density of a substance.

Theory

Use multiple mass and volume data to graphically determine the density of a substance. Through this investigation, students:

  • Learn the process of graphing data, including scale selection, axis labeling, descriptive titling, and plotting data points.
  • Determine trends in the data by mathematically describing the lines that best fit the data, particularly linear relationships (y = mx + b) and directly proportional relationships (y = mx).
  • Discover that slope and y-intercept have meaning.
  • Identify variables as either independent or dependent

Method

Students conduct the following procedures:

  • Calculate the volume of cubes and cylinders.
  • Determine the mass of various objects.
  • Plot both the mass and volume data of various objects on the same graph.
  • Determine the mathematical relationship between the data.

Sensors / Equipment Used

Discover Density Set (SE-9719A)

A set of 22 separate pieces allow students to discover the relationship between density, volume, and dimensions.

Materials Used

Balance - 2 or 3 per class
Metric ruler (or calipers) 

The Associated Bundle:

Chemistry Standard Sensor Bundle (PS-2927C)

Contains the sensors and probes needed to perform the 17 experiments in the Advanced Chemistry Teacher Guide and 22 labs in the Chemistry through Inquiry Guide.