High School / Chemistry

Physical or Chemical Change

Students use a pH sensor, conductivity sensor, and temperature sensor to collect evidence that supports their conclusion about whether a chemical or physical change has occurred.

Supports NGSS Science and Engineering Practice 4: Analyzing and Interpreting Data


Student Files

3C_answer_sheet.docx 123.42 KB
3C_Physical_or_Chemical_Change.docx 422.05 KB
3C_Physical_or_Chemical_Change.pdf 358.98 KB
3C_answer_sheet.pdf 146.71 KB
3C_Physical_Chemical_Google_Slide.pdf 20.22 KB

Teacher Files

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Featured Equipment

pH Storage Solution

pH Storage Solution

A 500 mL bottle of storage solution for PASCO pH Electrodes.

Wireless Conductivity Sensor

Wireless Conductivity Sensor

This waterproof sensor connects via Bluetooth® to measure both conductivity (ionic content in solution) and total dissolved solids.

pH Sensor

Wireless pH Sensor

Here’s the best tool for measuring pH since litmus paper. The Wireless pH Sensor connects via Bluetooth® to monitor the pH of solutions.

Temperature Sensor

Wireless Temperature Sensor

The Wireless Temperature Sensor is a general-purpose sensor found in many science labs. With a rugged, waterproof design, and long-lasting battery, students can spend more time collecting data and less time dealing with equipment.

Many lab activities can be conducted with our Wireless, PASPORT, or even ScienceWorkshop sensors and equipment. For assistance with substituting compatible instruments, contact PASCO Technical Support. We're here to help.

Copyright Disclaimer: Section 107 of the Copyright Act of 1976 makes allowance for “fair use” for purposes of teaching, scholarship, education and research. Reproduction under any other circumstances, without the written consent of PASCO, is prohibited.
Source: Lab #03C

Essential Chemistry Teacher Lab Manual

Physical or Chemical Change