Tag Archives: chemical change

Toxins: Physical versus Chemical Change

Because I am out of the school building tomorrow and prefer not to have our substitute conducting a lab, I’ve decided to have students work through Lesson 70 and we will revisit Lesson 69 soon.  For Lesson 70, students are welcome to review the Lesson 70 PowerPoint and then should work in small groups to complete the Lesson 70 Worksheet.

For additional background, watch the video below from Mr. Anderson of Bozeman Science: