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Science

A body of knowledge, often formulated as laws and theories, based on the collection of data through observation and experiment.

MEASURING DEVICES

Instruments for determining various quantities such as temperature, mass, height, length, voltage and mechanical force.

Temperature: physical quantity corresponding to the level of heat or cold, which is measured by means of a thermometer.


thermometer	clinical thermometer	bimetallic thermometer

Time: physical quantity corresponding to a phenomenon or an event that is measured with devices such as watches and stopwatches.


stopwatch	sundial	mechanical watch [1]

mechanical watch [2]	analog watch	digital watch

grandfather clock	weight-driven clock mechanism

Mass: physical quantity that characterizes an amount of matter (mass) that is measured by means of a scale.

Thickness: dimension corresponding to the distance between two surfaces of the same body.


vernier caliper	micrometer caliper [1]	micrometer caliper [2]

Distance: interval separating two points in space.

Length: the longer dimension of an object as opposed to its width.

Angle: figure formed by two intersecting lines or planes; it is measured in degrees.


theodolite	protractor	bevel square