Ocean Basics Quiz

Rank the 5 oceans, from biggest to smallest (based off of the percentage of water they hold).

• Atlantic

• Indian

• Pacific

• Southern

• Arctic

The pH of seawater is ______________ by the added minerals.

• Increased

• Decreased

• Stays the same

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-2

The water on the Earth is _____ % fresh water.

Identify the different oceanic zones based on depth.

a

b

c

d

e

Mesopelagic Zone

Epipelagic Zone

Abyssopelagic Zone

Hadalpelagic Zone

Bathypelagic Zone

Salinity is defined as the amount of dissolved ​​​ (a)   and ​ (b)   in water, including ​ (c)   , but excluding ​ (d)   .

• solids
• gases
• salt
• organics
• oxygen
• minerals

The freezing point of FRESH water is ____________, but the freezing point of SALT water is _______________.

• 32 º F , lower

• 32 º F , higher

• 0 º C , lower

• 0 º C , higher

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

The Boiling Point of FRESH water is __________.

• 100 º C

• 212 º C

• 212 º F

• 100 º F

The density of SEA water _______________ as the temperature decreases.

• increases

• decreases

• stays the same

Tags

NGSS.MS-PS1-4

When SEA water has an influx of FRESH water, the resulting water is identified as __________________.

• brackish

• hypersaline

• more salty

• less salty

​ (a)   of the world's water is drinkable, while ​ (b)   of the world's water is salt water, and therefore undrinkable.

• 1.3%
• 97%
• 5%
• 75%

Tags

NGSS.MS-ESS2-4