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Hydro-sphere

Water-sheds

Water Health

Human Effects

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Team OneTeam One

Team TwoTeam Two

Team ThreeTeam Three

Team FourTeam Four

Team FiveTeam Five

Team SixTeam Six

Water

Question for 5 Points

Which form of water has the highest

density?

Ice, Warm, Cold waterShow Answer

Water

Answer for 5 Points

Cold Water

(ice expands – is less dense)

Back to Board

Water

Question for 10 Points

What term describes the tendency of a water

molecule to stick to other water molecules?

Show Answer

Water

Answer for 10 Points

Cohesion

Back to Board

Water

Question for 15 Points

What do the charges on either end of the water

molecule indicate about the molecule?

Show Answer

Water

Answer for 15 Points

Polar Molecule

Back to Board

Water

Question for 20 Points

What percentage of the Earth’s water is

contained in oceans?

Show Answer

Water

Answer for 20 Points

About 97%

Back to Board

Water

Question for 25 Points

Which property of water helps to produce

cool ocean breezes near a shoreline on a

hot day? Show Answer

Water

Answer for 25 Points

Specific Heat

Back to Board

Hydrosphere

Question for 5 Points

Where is most of the fresh water on Earth

located?

Show Answer

Hydrosphere

Answer for 5 Points

Polar Ice Caps and glaciers

Back to Board

Hydrosphere

Question for 10 Points

What is the lake that stores water for human

use called?

Show Answer

Hydrosphere

Answer for 10 Points

Reservoir

Back to Board

Hydrosphere

Question for 15 Points

What are two sources of fresh water used by cities for

drinking water?

Glaciers, ocean water, aquifers, rivers

Show Answer

Hydrosphere

Answer for 15 Points

Aquifers and rivers

Back to Board

Hydrosphere

Question for 20 Points

The ice sheet that covers Antarctica is a

form of what?

Show Answer

Hydrosphere

Answer for 20 Points

Glacier

Back to Board

Hydrosphere

Question for 25 Points

What causes salinity rates to be higher in

some seas or oceans?

Show Answer

Hydrosphere

Answer for 25 Points

High evaporation rates and limited circulation

Back to Board

Watersheds

Question for 5 Points

What is the main function of a watershed?

Show Answer

Watersheds

Answer for 5 Points

To move water from higher to lower

elevations

Back to Board

Watersheds

Question for 10 Points

Onslow County is located in what major

river basin? (Think river in Wilmington)

Show Answer

Watersheds

Answer for 10 Points

White Oak River Basin

Back to Board

Watersheds

Question for 15 Points

What forms the boundaries of a

watershed?

Show Answer

Watersheds

Answer for 15 Points

Hills or Mountains/Higher levels of elevation

Back to Board

Watersheds

Question for 20 Points

What are the parts of a watershed?

Show Answer

Watersheds

Answer for 20 Points

Rivers, headwaters/source, tributaries, mouth

Back to Board

Watersheds

Question for 25 Points

What is brackish water and where would you

find it?

Show Answer

Watersheds

Answer for 25 Points

Salt water and fresh water mixed – along the mouths of rivers

and in estuariesBack to Board

Water Health

Question for 5 Points

Which of the following are indicators of a healthy water

system?

High nitrates, High dissolved oxygen, Neutral pH, Low

temperatures, High turbidity, Low pH Show Answer

Water Health

Answer for 5 points

High dissolved oxygen, Low temperatures,

Neutral pH

Back to Board

Water Health

Question for 10 Points

What is the most likely cause of low dissolved oxygen

concentrations seen in July?

High nitrates, low turbidity, high temperatures, algal

bloomShow Answer

Water Health

Answer for 10 Points

High Temperatures

Back to Board

Water Health

Question for 15 Points

What does it mean when a scientist says a

lake has a high turbidity?

Show Answer

Water Health

Answer for 15 Points

The water has a lot of particles in it

Back to Board

Water Health

Question for 20 Points

Which of the following can cause high turbidity in a

water system?

High nitrates; low temps; high DO levels; low pH

Show Answer

Water Health

Answer for 20 Points

High Nitrate levels

Back to Board

Water Health

Question for 25 Points

Why can high water temperatures reduce water quality for fish and other organisms?

Show Answer

Water Health

Answer for 25 Points

High temperatures can lower dissolved oxygen

levels.

Back to Board

Human Effects

Question for 5 Points

Which of the following is a possible effect of high nutrient levels in water

systems?

Healthier fish, increased water temperature, fish kills,

less algae Show Answer

Human Effects

Answer for 5 Points

Fish Kills

Back to Board

Human Effects

Question for 10 Points

Which of the pollutants below is an example of non-point

source pollution?

Wastewater from a leaking pipe, chemical run-off from

lawns, oil from a leaking underground tank, chemicals

released from a paper millShow Answer

Human Effects

Answer for 10 Points

Chemical run-off from lawns

Back to Board

Human Effects

Question for 15 Points

What is the difference between point-source and non-point-source

pollution?Show Answer

Human Effects

Answer for 15 Points

Point-source pollution comes from one site;

non-point-source pollution comes from

many sites. Back to Board

Human Effects

Question for 20 Points

Which of the following is a clear example of point-source

pollution?

Trash floating in ocean water; feedlot wastes in a river; oil

spill from a supertanker; salts from irrigation Show Answer

Human Effects

Answer for 20 Points

Oil spill from a supertanker

Back to Board

Human Effects

Question for 25 Points

Water passes through a screen or filter that

separates out large solid material is the first step

to what process?Show Answer

Human Effects

Answer for 25 Points

Wastewater treatment process

Back to Board

Show Question

“Big Points”

Question

What is the difference between adhesion and

cohesion?

Show Answer

302928272625242322212019181716151413121110987654321

Big Points

Answer for Big Points

Adhesion is the force that pulls water molecules to other

molecules

Cohesion is the force that attracts water molecules to

other water molecules To End

End It

Authored byJeff Ertzberger - 2004

University of North Carolina at WilmingtonAll rights reserved.

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