Water on Earth Quiz

Oceans cover about ​ (a)   % of the entire Earth.

• 75
• 80
• 15
• 100

True or False ​ (a)   Rivers deliver salt to the oceans.

• True
• False
• Maybe

Places where rivers pour fresh water into the ocean have ​ (a)   salinity.

• low
• high
• neutral
• acidic

​​ (a)   is a measurement of how salty water is.

• Salinity
• Sodium chloride
• sublimation
• carbon dioxide

​ (a)   is common table salt.

• Sodium chloride
• Nitrogen
• Benzene
• carbon

The ​ (a)   is a current that carries warm water northward.

• Gulf Stream
• River
• lake
• swamp

True or false ​ (a)   There is an endless supply of fresh water available to people all over the world.tr

• false
• true
• maybe

Most of the world's fresh water is frozen in ​ (a)  

• glaciers
• precipitation
• sublimation
• mountain range

A ​ ​ (a)   is an artificial lake that forms behind a dam.

• reservoir
• aquifer
• ice sheet
• dam

An ​ (a)   is the layer of rock and soil that groundwater flows through.

• aquifer
• reservoir
• groundwater
• Gulf Stream