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Gas Pressure and Volume

Figure from experiment 30 from Physical Science with Vernier

Introduction

In this simple experiment, you will use a Gas Pressure Sensor and a gas syringe to study the relationship between gas pressure and volume. Temperature and amount of gas will be kept constant. The results will be expressed in words, in a table, with a graph, and with a mathematical equation. These are four methods commonly used by scientists to communicate information.

This experiment is similar to one first done by Robert Boyle in 1662—without the use of a computer, of course. The relationship you will discover is known as Boyle’s law.

Objectives

In this experiment, you will

  • Use a Gas Pressure Sensor and a gas syringe to measure the pressure of an air sample at several different volumes.
  • Make a table of the results.
  • Graph the results.
  • Predict the pressure at other volumes.
  • Describe the relationship between gas pressure and volume with words and with a mathematical equation.

Sensors and Equipment

This experiment features the following Vernier sensors and equipment.

Option 1

Option 2

Additional Requirements

You may also need an interface and software for data collection. What do I need for data collection?

Standards Correlations

See all standards correlations for Physical Science with Vernier »

Experiment 30 from Physical Science with Vernier Lab Book

<em>Physical Science with Vernier</em> book cover

Included in the Lab Book

Vernier lab books include word-processing files of the student instructions, essential teacher information, suggested answers, sample data and graphs, and more.

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