8th grade Exam Q3

Most of the salt in seawater is what type?

• Magnesium Sulfide

• Sodium Chloride

• Hydrochloric Acid

• Calcium Nitrate

Oceans cover what percent of the Earth's surface?

• 1

• 100

• 85

• 70

The boundary where cold, deep water meets sun-warmed surface water?

• Hot/Cold Zone

• Thermocline

• Salinity Border

• Hydroline

The amount of dissolved solids in seawater?

• Salinity

• Density

• Temperature

• Thermocline

The study of the earth’s oceans?

• Earthology

• Geography

• Oceanography

• Astrology

Which of these 2 DO NOT affect sea water density?

• Motion

• Salinity

• Temperature

• Color

Water pressure is measured in?

• CSI

• PSI

• THI

• ESW

The pressure from water is called?

• Hydrostatic Pressure

• Oceanic Pressure

• Salinity Pressure

• Air Pressure

Outer edge of a glacier floating on the ocean is an ?

• Ice Ridge

• Iceberg

• Ice Shelf

• Ice Cap

A huge chunk of floating glacial ice is an

• IceBerg

• Ice Ridge

• Ice Shelf

• Ice Cap