Activity Detail
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Mix It Up: Mixing Liquids of Different Temperatures
 


Activity Overview

In this activity, students' will use temperature sensors to measure temperatures of water samples before and after mixing. They compare the mixing temperatures to a linear prediction.

Before the Activity

  • Connect temperature probes to Channel 1 and Channel 2 on the CBL 2™ or Vernier LabPro®
  • Connect the CBL 2 or LabPro to the calculator using the Unit-to-Unit cable
  • See the attached PDF file for detailed instructions for this activity
  • Print pages 61 - 67 from the attached PDF file for your class

    		•

    		During the Activity

    		Distribute the pages to your class.

    Follow the Activity procedures:
  • Fill Cup 1 with 100 ml cold water and Cup 2 with 150 ml hot water
  • Place the CH1 probe in Cup 1 and the CH2 probe in Cup 2, and record the temperature readings in the Data Table
  • Pour the contents of Cup 1 into Cup 2 and record the final temperature of Cup 2 in the Data table
  • Repeat the experiment with equal volumes of hot and cold water
  • Understand how to predict mixture temperature and verify the prediction

    		After the Activity

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

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

    		Other Downloads




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    view textbook alignment

    Subject Area:
    Math : Algebra I : Linear Equations and Functions

    Author:
    Texas Instruments

    Level:
    9-12

    Activity Time:
    60 Minutes

    Device:
    TI-73 Explorer™, TI-83 Plus Family, TI-84 Plus Family

    Apps:
    DataMate, EasyData™

    Software:
    TI Connect™

    Accessories:
    CBL™/CBL 2™, Sensor - Temperature, TI Connectivity Cable, Unit-to-Unit link cables, Vernier LabPro®

    Other:
    This is Activity 7 from the EXPLORATIONS Book: Real-World Math Made Easy.

    The following materials are required for this activity :

  • Graduated measuring cup
  • Styrofoam cups or coffee mugs
  • Hot and cold water


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