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HOME > science > measuring devices > measure of time > stopwatch

stopwatch click to hear : stopwatch

Instrument that precisely measures time in minutes, seconds and fractions of seconds.
stopwatch image
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See stopwatch in : french | spanish
reset button minute hand second hand 1/10 second hand ring case stop button start button

reset button click to hear : reset button

Button that is pushed to return the stopwatch’s hands to 0.

minute hand click to hear : minute hand

Metal needle that indicates minutes on a dial graduated from 0 to 30 minutes.

second hand click to hear : second hand

Metal needle that indicates the 60 equal divisions (seconds) of a minute by moving in small jumps.

1/10 second hand click to hear : 1/10 second hand

Metal needle that indicates the 10 equal divisions of a second on the dial.

ring click to hear : ring

Round part for holding or hanging the stopwatch.

case click to hear : case

Outer covering that encloses and protects the device’s mechanism.

stop button click to hear : stop button

Knob that is pushed to stop the hands, which then display the precise amount of elapsed time.

start button click to hear : start button

Knob that is pushed to start the stopwatch and measure the duration of a phenomenon or event.

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