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Petri DishA Petri dish (sometimes spelled "Petrie Dish" and alternatively known as a Petri plate or cell culture dish), named after the German bacteriologist Julius Richard Petri, is a shallow cylindrical glass or plastic lidded dish that biologists use to culture cells such as bacteria or small mosses.

A narrow pieces of paper that stock quotes were printed on

A graduated glass tube with a tap at one end

or the process of measuring the heat of chemical

offering excellent elasticity

and then twisted together

The important parts of a Voltaic cell are the anode

The spade terminal design is one of the most popular electrical connectors

it consists of two sodium ions (Na+) and one carbonate ion (CO3-)

The rows in the Periodic Table chart are in order of atomic number (which reflects the number of protons in the nucleus of an atom)

A siphon pump can dispense liquid above the source through a cyclical operation of emptying and refilling a Metering Chamber

A boiling tube is a small cylindrical vessel used to strongly heat substances in the flame of a Bunsen burner

and often iron