Setting up for filtration

How do you calculate the volume of wood? Measure the length, width, and height and multiply. Then with the mass, you can calculate your density.

Adjusting the height of the iron ring

Checking for evidence of zinc plating

It is advisable to have a partner hold the beaker with beaker tongs while checking the pennies

Mr. Long observes the progress of a couple of students

Students in a penny huddle

Putting clear fingernail polish on the pennies is the last step

I taught these girls biology, then chemistry. They were great students.

Adjusting the flame on the bunsen burner

Using metal tongs to pick of the evaporation dish

To "cut" glass, you must first put a notch in the glass tube

Students sharing a bunsen burner

Heating glass together is very difficult with a regular bunsen burner

More notches

It is helpful to use metal tongs when trying to get a bend close to the end

This main-streamed student is having a great time. He was very good at bending glass.

When the glass shows the orange flame coming from it, it is very hot and ready to bend

As you can see, it did bend