A method of determining the general classification of ferrous materials that normally requires taking a piece of metal, usually scrap, to a grinding wheel and observing the sparks emitted.

present participle of spark test

(archaeology) An excavation unit of small extent and shallow depth, made quickly with a shovel or trowel to determine whether archeologically significant material is present below the ground surface.

(archaeology) To examine a site or area using one or more small excavation units.

plural of shovel test

plural of smear test

plural of Pap test

plural of paternity test

A test done to determine the biological father of a child.

A test done before a course, to determine the students' level of ability or knowledge.