U1 - Lesson 4 - Exit Pass
Completion requirements
An Exit Pass allows your teacher to gather information about your learning in an informal manner. These activities are mandatory but they are NOT worth any marks.
Use the pictures on the PDF file to answer the following questions:
Exit Pass - Lesson 4
This simulation shows how to tell the difference between acids and bases using pH. When you have finished the simulation download the Exit Pass Notebook file.
| Click to Run |
pH Acids and Bases Simulation
Use the pictures on the PDF file to answer the following questions:
- What kind of change (physical or chemical) do you think happened in the pictures?
- Explain what signs you used to decide if a chemical change or a physical change occurred in the picture.
- How could you tell for sure that a chemical change occurred?
- How might you test the starting substances to see if the reaction was an acid-base reaction?
- How might you test it to see if the bubbles produced are carbon dioxide?
When you have completed the Exit Pass,
submit it to the Submission folder using the "Add submission" button below.