Final answer:
Scientific instruments are tools used for scientific purposes, while test tubes are transparent containers for liquid in experiments.
Explanation:
Scientific instruments are tools used for scientific purposes to gather data, make measurements, or conduct experiments. They can include items like test tubes, beakers, microscopes, and thermometers.
Test tubes are cylindrical, transparent containers used to hold small amounts of liquid for observation or analysis in experiments. They are commonly made of glass and are essential in many scientific settings.
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