I have been teaching a Chemistry class for high school students. I have ten - 10th and 11th grade students.
A few of our laboratory experiments from the last few weeks.
Dilution to visible extinction:
Filtering and separating compounds
What chemistry teacher's oven doesn't have beakers and Erlenmeyer flasks in it?
I like to call this one candy corn in honor of Halloween
We combined acetone, water and sodium chloride to make this 3 phase display.