Scientists use echo sounders or sonar technology to measure ocean depth. These tools work by sending sound waves down into the water and measuring how long it takes for the sound to bounce back, allowing scientists to calculate the depth of the ocean floor.
gramsWHAT
how do you measure the salt level in an ocean,creek,and river?
ruler.
with tools
a balance
to measure the amplitude, you measure from the trough to midline.
Medical syringes measure in cc and ml.
Diameter tools
a balance
Some of the measuring tools we use in sewing include; a tape measure, ruler, yard stick, hem stand, hem measure and seam measure device.
Oceanographers measure the salinity of the ocean by hand held refractometer, hydrometer, and conductivity meter.