So you can read it more easily.
The stem of the thermometer is not perfectly round for two reasons. One so it will not roll off and fall, and two, the flat area acts as a magnifying glass to make the hollow shaft in the stem appear larger.
A simple microscope similar to a magnifying lens.
yes it will work like a magnifying glass
A big magnifying glass will burn the US, one neighborhood at a time.
because it acts like a magnifying glass
they could miss something so tiny, like a thread or a piece of glass, so that they could miss it with the naked eye, that is why they can use a magnifying glass/
One can purchase a magnifying glass for reading from hardware stores, drugs stores, some grocery stores and department stores. One can also purchase them from websites like Amazon.
Because the surface of the bottle is curved - which bends the light passing through it - just like a magnifying glass does.
Because a glass thermometer has a liquid inside (alcohol or mercury), that can poison you if it brakes.
It looks like a magnifying glass or reading glasses. It is thicker in the middle than around the edges.
That sounds like a magnifying glass.
A microscope acts like a magnifying glass, only much more powerful.