Abeka Science Grade 8 Quiz 18

floating observation stations that automatically take measurements and transmit the data to oceanographers

• oceanographic buoys

• scuba

• sonar

• drift bottle

Type of waited bottle formally used by oceanographers to measure ocean currents

• sonar

• scuba

• Drift bottle

• rosette

Plastic tube on a weighted line that is lowered into the ocean to collect water samples from the depths

• sonor

• scuba

• drift bottle

• Niskin bottle

Framework that contains many water sample tubes to collect samples from different depths

• rosette

• scuba

• sonar

• drift bottle

Self-contained breathing device that allows for deep dives

• sonar

• scuba

• drift bottle

• niskin bottle

a device with an open tube that is dropped to the sea floor, allowing its weight to puncture the sediment to collect samples

• drift bottle

• niskin bottle

• Gravity corer

• piston corer

Device that determines the size, distance, and direction of any solid object in the water by analysing the echoes

• Sonar

• scuba

• piston corer

• gravity corer

Single use thermometer that syncs through the water, transmitting the temperatures at different levels back to a surface ship

• gravity corer

• Expendable Bathythermograph

• piston corer

• niskin bottle

Device that is the primary method of determining the physical properties of water

• sonar

• oceanographic buoy

• Conductivity, temperature, and depth sensor

• scuba

Modern device that drifts with deep ocean currents and regularly reports is location in water conditions

• Profiling float

• niskin bottle

• gravity corer

• piston corer