What is salinity?

• The measure of salt in the water

• The measure of cloudiness of the water

• The measure of acid in the water

• The measure of oxygen in the water

What instrument is used to measure salinity?

• Refractometer

• Secchi disk

• Barometer

• Photographic camera

What does turbidity measure?

• The measure of salt in the water

• The measure of sediment in the water

• The measure of acid in the water

• The measure of oxygen in the water

What instrument is used to measure turbidity?

• Refractometer

• Secchi disk

• Barometer

• Photographic camera

What is the purpose of a secchi disk?

• To measure salinity

• To measure turbidity

• To measure air pressure

• To measure pH

What instrument is this?

• refractometer

• secchi disk

• barometer

• plankton tow

Tags

NGSS.MS-PS1-2

What instrument is this?

• refractometer

• secchi disk

• barometer

• plankton tow

What instrument is this?

• refractometer

• secchi disk

• barometer

• plankton tow

Tags

NGSS.MS-LS2-1

What instrument is this?

• refractometer

• secchi disk

• barometer

• plankton tow

Tags

NGSS.MS-ESS2-5

What unit is salinity measured in?

• parts per thousand (ppt)

• parts per million (ppm)

• centimeters (cm)

• inches or millibars