teaching a technology-enriched science investigation unit testing ph with the data logger

Teaching a Technology-Enriched Science Investigation Unit

Testing pH with the Data Logger

iLearn

Science Session 3

Focusing Questions

What is pH and how is it measured?

How can I use the data logger and the pH probe to collect data?

Instruction

Framing the Session

Today we are going to learn about pH and how it is measured by pH papers and probes.

pH is one of the most important measures in science.

What Is pH?

What is pH?

What are some examples of pH?

How can pH be measured?

pH Table

Setting Up the Data Logger for pH

Push ON button (see main menu).

Connect pH sensor to the I/O-1 Port.

Select “Enter” for “Setup the Logger.”

Select “Auto ID” in the System Configuration.

Select Sensor in Port I/O1:pH sensor.

Rate: 1/sec

Samples: 50

Display: Meter

Press “Escape.” Press “Enter.”

Dip into solutions and record data.

Work Time

Getting Started

Using vinegar and baking soda:

Which is acidic and which is basic?

What readings might you expect?

Work Time

Groups Distilled Water Water and Vinegar

Water and Baking Soda

Share

Did we get the same results? Why?Share

For more information

Office of Instructional Technology

oittc@schools.nyc.gov

www.nyc.gov/schools