Meaning of 試験管 in Japanese

If you leave them lying on the desk they may roll off, so stand them in the test-tube rack.

Although I broke test tubes and played about with chemicals for fun, I did occasionally manage to obey the teacher's instructions as well; repeating experiments that others had long ago undertaken.

It came in a handsome wooden box and contained a rack for test tubes, glass bottles of powerful powders, a little packet of sensitive paper (litmus, I think), a glass rod, the manual and suitably exciting poison labels.