Glass Flask

An erlenmeyer flask corked with a liquid with bubbles inside. 

Potion With Bubbles

A science class blackboard with drawings such as an uterus, a science flask, a virus and a heart shape.

An Erlenmeyer flask containing a liquid substance. 

An Erlenmeyer flask containing liquid, with two sparkles around it.

Two empty flasks, a beaker and an erlenmeyer or conical flask.

A silhouette of triangle bottomed Erlenmeyer shaped scientific flask or beaker.

An outlined or minimalistic drawing of a triangular science flask as blackboard content for science class.

A stack of four books with an Erlenmeyer flask on top.

The silhouette of a person surrounded by an atom and leaves, representing the sciences.