Education Technology

JASON: When pH Changes, What Happens?

Activity Overview

JASON Aquatic Field Study: Explore how the pH of an aquatic site determines if the water is acidic, basic, or neutral by performing an experiment at a local aquatic site to measure the pH level.

Before the Activity

See the attached teacher document (pdf file) for notes and guidelines for this activity. Print and copy the attached activity document and research article (pdf files) for your class. The research article is in the during the activity section below.

During the Activity

Students will:

  • Test the water at the aquatic site to determine whether the water is acidic, basic, or neutral
  • Make field observations to determine if the aquatic site supports animal life and vegetation
  • Collect a sample from a local aquatic site using a pH Sensor connected to a TI CBL2™ and a TI-73 Explorer™

  • Distribute the activity document and research article to your class
  • Read and discuss the research article
  • Follow the activity procedures outlined in the student document
  • After the Activity

  • Students complete the data analysis section of the activity
  • Discuss the results of the data analysis with your students