Activity Detail
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Beverage Tests
 


Activity Overview

In this activity, students' will use a pH sensor to determine the pH of common beverages. They will use the data to create different types of graphs. Students also learn to classify liquids and identify an unknown sample.

Before the Activity

  • Connect the TI-73 to the CBL 2 unit
  • Connect the pH sensor to Channel 1 in the CBL 2 unit
  • Download TI-GRAPH LINK™ or TI Connect™ to analyze data on the computer
  • Start the DataMate™ program
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 1 - 11 from the attached PDF file for your class

    		•

    		During the Activity

    		Distribute the pages to your class.

    Follow the Activity procedures:
  • Place the pH sensor in the beverage sample
  • Note the pH value
  • Repeat the experiment with the remaining beverage samples
  • Record the pH value for each sample
  • Use the data to plot a bar graph, scatter plot and a circle graph
  • Classify the liquids as acids, neutrals, and bases
  • Identify the unknown sample by its pH value

    		After the Activity

    		Students' will complete the Data Collection and Analysis Sheet and answer questions listed in it.

    Review student results
  • As a class, discuss questions that appeared to be more challenging
  • Re-teach concepts as necessary

    		Other Downloads




    view standards alignment
    view textbook alignment

    Subject Area:
    Science : Physical Science : Acids and Bases
    Math : Algebra I : Data Analysis
    Math : PreAlgebra : Probability, Statistics and Data Analysis
    Math : Middle Grades Math : Probability, Statistics and Data Analysis

    Author:
    Texas Instruments

    Level:
    5-8

    Activity Time:
    60 Minutes

    Device:
    TI-73 Explorer™

    Apps:
    DataMate

    Software:
    TI Connect™, TI-GRAPH LINK™

    Accessories:
    CBL™/CBL 2™, TI Connectivity Cable, TI-GRAPH LINK™ Cable, Unit-to-Unit link cables, Sensor - pH

    Other:
    This is Activity 1 from the EXPLORATIONS Book:
    Activities for Middle Grades Science with the CBL 2™ and TI-73.

    The following materials are required for this activity:

  • Distilled water
  • Beaker
  • Beverage samples


    • Report an issue with this activity