Unit 6 TEST Review Quizizz

What percentage of Earth's total global water is found in oceans?

• 96.5%

• 2.5%

• 0.9%

• 30.1%

Tags

NGSS.MS-ESS2-4

What is the primary reason most of the water on Earth is not drinkable?

• It is frozen in icebergs and glaciers.

• It is dissolved with various salts.

• It is deep underground in aquifers.

• It is in rivers, lakes, and streams.

What is the largest source of freshwater on Earth?

• Rivers and lakes

• Streams and brooks

• Permafrost and glaciers

• Water deltas

Tags

NGSS.MS-ESS2-4

What is the salinity level of water that is considered freshwater?

• Under 0.5 ppt

• Between 0.5-30 ppt

• 30-50 ppt

• Over 50 ppt

What is the limit of salt in irrigation water for farming?

• 0.5 ppt

• 1 ppt

• 2 ppt

• 5 ppt

What role does water in the atmosphere play in terms of heat?

• It cools the air

• It acts as a GHG (Greenhouse Gas)

• It causes rain

• It freezes the air

Tags

NGSS.MS-ESS2-4

What is the definition of Water Security according to Cambridge?

• The ability to access sufficient quantities of clean water to maintain adequate standards of food, manufacturing of goods, adequate sanitation, and sustainable health care.

• The ability to access limited quantities of clean water for personal use only.

• The ability to access water for recreational purposes.

• The ability to access water for agricultural purposes only.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

Which of the following is a cause of water insecurity due to increased global temperatures?

• Natural disasters

• Pollution events

• Climate change

• Overpopulation

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS3-5

What can extended droughts lead to in terms of water security?

• Increased rainfall

• Exhaustion of emergency water stores

• Improved water infrastructure

• Decreased water pollution

Tags

NGSS.MS-ESS3-4

What was the algae in the West Palm Beach water supply producing that contaminated it?

• Cyanotoxins

• Cylindrospermopsin

• Microcystins

• Anatoxins