Moved From Discussion Page - Posted by Aggie Earth doesn't have a 'length.' It has a circumferance, a mass, a volume, even a length of time or age, but it doesn't have a length.
the ruler The meter stick
scale or ruler is an instrument used for measuring length
there are many instruments used to measure length depending upon the size of object , Ruler is Metric instrument used to measure length. Screw gauge is also used as an instrument used to measure length in mm.
The instrument "Metalic tap" is generally used for length measurement in India
there are many instruments used to measure length . measuring tape is used to measure the length of room.
A meter stick or a metric ruler is used to measure metric length.
A metric ruler.
Vernier Calipers are instruments that are used measure length. It is an instrument that provides a digit of accuracy.
A ruler or a measuring tape.
It is a meterstick!
a ruler, tape measure, etc. any instrument that can measure length.
the instrument is caloricmeter
Ruler, meter stick, yard stick
Ruler Yard stick Tape measure
the instrument that the used was an intelligent brain
Any instruments that can measure mass and length. (not at the same time, doesnt have to be the same instrument). By measuring the length, height and width of an object you can determine it's volume and by weighing it you can determine it's mass. From these results it's possible to calculate the objects density.