laboratory equipment [1]
These materials are highly varied: measurement instruments, various containers, heat sources, experimentation materials and mounting hardware.
stand 
Unit consisting of a base and a rod; it supports various laboratory apparatuses such as burettes and flasks.
Petri dish 
Flat transparent box for culturing microorganisms; it has a cover to protect them from contamination.
clamp/holder 
Part attached to the stand’s rod by a holder and having tongs that clamp onto the laboratory equipment to hold it in place.
gas burner 
Device that is fueled by gas to produce a flame for heating chemical products.