Oceanography Vocabulary Check-Up

What is used to analyze sediment grain size composition with progressively smaller meshed trays?

• Sediment Sieves

• Bottom Grab Sampler

• Secchi Disk

• Niskin Bottle

What is a net that is towed at the surface of the water and used to collect organisms or particulates from the surface to about 1½ feet down?

• Neuston Net

• Plankton Net

• Tucker Trawl

• Seine Net

What is a dredge used for?

• Measuring the depth of the ocean

• Catching organisms living on the ocean floor

• Mapping the ocean floor

• Measuring the height of the sea surface

What does latitude measure?

• Distance north or south of the earth's equator

• Distance east or west of the Prime Meridian

• Depth of the ocean

• Height of the sea surface

What does longitude measure?

• Distance north or south of the earth's equator

• Distance east or west of the Prime Meridian

• Depth of the ocean

• Height of the sea surface

What does an echosounder do?

• Measures the height of the sea surface

• Uses a single stream of sound waves to determine the depth of a body of water

• Maps the rocks beneath the ocean floor

• Measures the distance east or west of the Prime Meridian

Tags

NGSS.MS-PS4-2

What does a refractometer measure?

• The density of a liquid

• The amount of light refracted through a sample of water

• The temperature of water

• The depth of water

Tags

NGSS.MS-PS4-2

What is the salinity of saltwater?

• Less than 0.5ppt

• Between 0.5ppt and 17ppt

• Greater than 17ppt

• No salinity

What is the purpose of SCUBA?

• Measuring the density of a liquid

• Measuring the amount of light refracted through water

• A system used in diving with compressed air cylinders

• Measuring the depth of water

What does biological oceanography study?

• The dissolved elements in seawater

• The ocean's chemical and biochemical cycles

• Life in the ocean

• The depth of the ocean

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4