7.11a practice/Review

Multiple Choice

What are some ways that human activities impact water quality and availability?

• Pollution from factories

• Deforestation

• Urban development

• All of the above

Multiple Choice

What are the key components of watersheds and aquifers as shown in the image?

• Soil composition

• Water sources

• Ecosystem interactions

• Human activities

Multiple Choice

What are some causes of water pollution?

• Chemical fertilizers and pesticides

• Accidental oil spills

• Sewage and wastewater

• Industrial waste

• All of the above

Multiple Choice

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

• Point source comes from one source, non-point from many

• They are the same

• Point source is always worse

• Non-point source is always worse

Multiple Select

In a large new housing complex, many families do not practice water conservation. They take long showers, overwater their lawns, and wash their cars frequently. They local water treatment facility is old and was not designed to handle that increased amount of water, causing untreated sewage to be released into the environment.

• Toxic

• Sediment

• Nutrient

• Bacterial

Poll

If you had to guess...

Which body of water contains most of the Earth's water?

• The atmosphere

• The Ocean

• Rivers, lakes, and streams

• Living Things

Multiple Choice

How much water on Earth is freshwater?

• 100%

• 97%

• 3%

• There's freshwater on Earth?

Multiple Choice

What percentage of Earth's fresh water is locked away in glaciers and icecaps?

• about 3%

• roughly 97%

• almost 70%

• about 30%

Open Ended

Open-ended: Explain the distribution of Earth's water as shown in the diagram.

Multiple Choice

Which of the following models BEST represents how water flows in a watershed?

• A

• B

• C

• D

Multiple Choice

What is the Brown showing?

• Precipitation

• Runoff

• Groundwater

Open Ended

Examine the picture provided. Describe the saturation zone of the aquifer.

Multiple Choice

A diagram of the processes involved in the water cycle is shown below. Which arrow best represents percolation?

• Arrow W
• Arrow X
• Arrow Y
• Arrow Z

Multiple Choice

What is the purpose of the recharge zone in relation to an aquifer?

• To store water permanently

• To allow water to percolate into the soil

• To prevent water from entering the aquifer

• To filter pollutants from water

Multiple Choice

An underground layer of rock or sediment that holds water?

• Reservoir
• Aquifer
• Groundwater
• Watershed

Multiple Choice

What are the main sources of water pollution illustrated in the diagram?

• Oil spills

• Sewage treatment facilities

• Farms

• Abandoned mines

Multiple Choice

What is the main difference between point source pollution and non-point source pollution?

• Point source pollution comes from multiple sources

• Non-point source pollution is identifiable

• Point source pollution comes from a single source

• Non-point source pollution is always harmful

Multiple Choice

What are the main causes of water pollution as listed in the image?

• Factory chemicals and waste

• Household waste

• Littering

• Runoff from pesticides

Open Ended

What is runoff and how does it affect the environment?

Multiple Choice

Eutrophication, excess nutrients getting into waters, can cause algal blooms. Why is that bad?

• Because it's gross.

• Some algae is bacteria.

• Algae can use up all the oxygen and some produce toxins.

• The algal bloom is just not pretty so it makes the water ugly.

Open Ended

What are the differences in how the rainwater will travel into groundwater?

Multiple Choice

What is one impact of urban development on aquifers?

• Increases water percolation

• Reduces water percolation

• Improves groundwater quality

• Increases vegetation cover

Multiple Choice

What are two harmful impacts of recreational activities on aquatic ecosystems?

• Water pollution from boat gasoline and litter

• Disturbance of aquatic ecosystems

• Increased fish populations

• Improved water quality

Multiple Choice

What are some harmful human impacts on water resources?

• Letting water run unnecessarily

• Excessive crop irrigation

• Overwatering lawns

• All of the above

Multiple Choice

What is the term used to describe the sinking of the ground due to the removal of groundwater?

• Land erosion

• Land subsidence

• Groundwater depletion

• Soil compaction

Multiple Choice

What are some beneficial human impacts on water resources?

• Reducing water usage

• Xeriscaping

• Proper disposal of trash

• All of the above