Water Quality and Stewardship

Hydrosphere Review

Water Distribution

The hydrosphere is all of the waters on the earth's surface, both fresh- and saltwater. It also can include the water over the earth's surface (think clouds).

Water moves through the hydrosphere using the water cycle. A keep thing to remember is that the amount of water in the hydrosphere is always the same. It might be in different forms but the amount never changes.

Multiple Choice

What occurs during the process of condensation in the water cycle?

• a change in state from solid to liquid

• a change in state from liquid to gas

• a change in state from gas to liquid

• a change in state from liquid to solid

Multiple Choice

Which step in the water cycle involves returning of fresh water to the Earth?

• precipitation

• evaporation

• respiration

• condensation

Multiple Choice

Which BEST describes how the total amount of water present in the hydrosphere varies over time?

• The total amount of water in the hydrosphere decreases over time due to the process of evaporation.
• The total amount of water in the hydrosphere remains the same over time, but changes form due to the water cycle.
• The total amount of water in the hydrosphere increases over time due to the process of precipitation.
• The total amount of water in the hydrosphere both decreases and increases over time due to competing processes such as evaporation and precipitation.

Where is all of our water?

Most of all the water is located in the ocean which makes it unusable as drinking water for us.

Poll

Where is the most amount of freshwater located?

• soil

• lakes

• groundwater

• ice and glaciers

Multiple Choice

What gives the water cycle the energy to continue?

• tides

• plant sugars

• the sun

• condensation

Multiple Choice

About _________ percent of all the water on Earth is in the form of salt water.

• 90

• 97

• 95

• 98

Properties of water

• Adhesion

• Cohesion

• Surface Tension

• Polarity

• Specific Heat

• Universal Solvent

Open Ended

What is the difference between adhesion and cohesion?

Multiple Choice

molecule in which opposite ends have opposite electric charges

• cohesion
• polar molecule
• hydrogen bond
• solution

Multiple Select

Surface tension is the property of water in which...

• water molecules at the surface tend to stick together.

• water spills easily.

• water tends to be see-through.

Open Ended

Water is called a universal solvent because...

Drainage Basins (Watersheds) - vocabulary

• Percolation

• Groundwater

• Permeable

• Watershed

• Aquifer

• Reservoir

Multiple Choice

Water that flows across the land and enters rivers and streams. It eventually flows into lakes and the ocean.

• Snowmelt runoff

• Surface Runoff

• Deposition

• Precipitation

Multiple Choice

____________________ is the process by which water on the ground surface enters the soil. ________________ rate in soil science is a measure of the rate at which soil is able to absorb rainfall or irrigation.

• Infiltration

• Percolation

• Deposition

• Condensation

Multiple Choice

The downward movement of water through spaces in soil

• Percolation
• evaporation
• Precipitation
• condensation

Multiple Choice

What is the upper boundary of the zone of saturation?

• Alluvial plain
• Evaporation
• Nitrates
• Water Table

Multiple Select

Click all of the words that are part of the water cycle.

• Percolation

• Evaporation

• Transpiration

• Condensation

• Surface Tension

Open Ended

Describe runoff.

Stewardship and Water Quality

• Stewardship - taking care of water source

• pH - 0-14 scale determining how acidic (0-6) or basic (8-14) something is.

• Temperature - temperature changes can effect aquatic ecosystems.

• Nitrates/Phosphates - nutrients found in fertilizer

• Dissolved Oxygen - the amount of oxygen stored in water

• Turbidity - how clear the water is

• Bioindicators - specific organisms that are used to judge the health of a water system

Multiple Choice

Oil dumped in a marsh is an example of 

• Point Source Pollution
• Nonpoint Source Pollution

Multiple Choice

A pipe discharging sewage into a lake is an example of

• Point Source Pollution
• Nonpoint Source Pollution

Multiple Choice

Who would need to conserve and protect our water the most?

• High Volume Users (Farmers & Industries)
• Low Volume Users (Households)

Multiple Choice

Which word means making sure that the water we have is not overused

• Conservation
• Protection

Multiple Choice

Water stewardship is the idea that you are going to be responsible in the planning and management of water.

• True
• False

Multiple Choice

Which of the following would NOT be a bioindicator?

• A fish
• A insect
• A plant
• A rock

Multiple Choice

Who is in charge of monitoring the quality of our water?

• NBA
• EPA
• CBS
• NWF

Multiple Choice

Nitrates and phosphates come from fertilizers and human and animal waste. This leads to eutrophication which is the buildup of what?

• Plankton
• Algae
• Lily pads
• Weeds

Multiple Choice

What is the normal pH of water?

• 3
• 7
• 10
• 14

Multiple Choice

Having a pH of 4 means that the liquid is more ____________

• acidic
• basic

Multiple Choice

Having low amounts of oxygen in bodies of water can eventually lead to death of organisms.

• True
• False

Multiple Choice

You would want to drink water with high turbidity

• True
• False

Multiple Choice

Water that is warmer has less oxygen

• True
• False

Multiple Choice

When water is OK to take a bath in it is called _________

• Hardness
• Potable
• Safe
• Drinkable

Multiple Choice

Which word means "safe to drink?"

• Hardness
• Potable
• Clear
• Turbidity