Question
Pick the one that measures time.
Answer: Option B
:
B
An hourglass, also called asand clockor a sandglass,is an instrumentthat measures time. It consists of two glass bulbs which are connected vertically by a narrow opening that allows the sand to tricklefrom the upper bulb to the lower one.
On the other hand, ametre scale measures the length of an object. A thermometer measuresthe temperature of a body. A beam balancemeasures mass.
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:
B
An hourglass, also called asand clockor a sandglass,is an instrumentthat measures time. It consists of two glass bulbs which are connected vertically by a narrow opening that allows the sand to tricklefrom the upper bulb to the lower one.
On the other hand, ametre scale measures the length of an object. A thermometer measuresthe temperature of a body. A beam balancemeasures mass.
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