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The Colorado River

Total questions: 54

Worksheet time: 1hrs 17mins

Name
Class
Date
1.

Where does the Colorado River empty into?

a)

Gulf of California

b)

Gulf of Mexico

c)

Pacific Ocean

d)

Atlantic Ocean

2.

How many U.S. states does the Colorado River pass through?

a)

5

b)

4

c)

6

d)

7

3.

Since the early 1960s, one of America's great waterways almost never actually reaches the sea. Which river is this?

4 lines
4.

What is the length of the Colorado River's course?

a)

1,450 miles

b)

1,200 miles

c)

1,350 miles

d)

1,600 miles

5.

The Colorado River was born in which mountain range?

a)

The Colorado River was born in the Rocky Mountain range.

b)

The Colorado River was born in the Appalachian Mountains.

c)

The Colorado River was born in the Andes Mountains.

d)

The Colorado River was born in the Sierra Nevada range.

6.

Determine the original river bed mentioned in the passage.

a)

River G

b)

River X

c)

River Y

d)

River Z

7.

What happened to the ecosystem of the Colorado River according to the passage?

a)

The ecosystem of the Colorado River improved over time.

b)

The ecosystem of the Colorado River remained unchanged.

c)

The ecosystem of the Colorado River deteriorated.

d)

The ecosystem of the Colorado River experienced fluctuations.

8.

How many trillion gallons of water flow through the Colorado River every year, and how much are we allowed to take out?

4 lines
9.

What is the mystery mentioned in the passage regarding water usage?

4 lines
10.

What was the main goal of the representatives from seven Southwestern states who gathered in Santa Fe?

4 lines
11.

The Colorado River Compact was an agreement for who gets water and how much.

a)

True

b)

False

12.

Fill in the blank: The Colorado Compact divvied up 15 million acre feet of water every year, based on an assumed annual flow of ______ million acre feet.

a)

15

b)

10

c)

20

d)

25

13.

What was notably absent from the meeting regarding the Colorado River Compact? (a) Any dissenting opinion (b) Official documentation (c) A clear consensus (d) An agenda overview

a)

Any dissenting opinion

b)

Official documentation

c)

A clear consensus

d)

An agenda overview

14.

The problem with the Colorado River Compact as mentioned in the passage is that it allocates water based on outdated flow estimates.

a)

It allocates water based on outdated flow estimates.

b)

It provides an equal distribution of water irrespective of actual needs.

c)

It overcomplicates water law with ambiguous terminology.

d)

It fails to consider any environmental and indigenous concerns.

15.

What year was the Imperial Dam completed?

a)
b)

1880

c)

1900

d)

1925

16.

Between 1905 and 1970, how many major dams were built along the Colorado River?

a)

0

b)

3

c)

12

d)

20

17.

What are the benefits provided by the river fortresses mentioned in the text?

4 lines
18.

What percentage of the river's flow evaporates every year in the reservoirs?

a)

10%

b)

5%

c)

15%

d)

20%

19.

The vast surface area of reservoirs increases water evaporation due to greater exposure to sunlight.

a)

It increases water evaporation

b)

It decreases water evaporation

c)

It has no effect

d)

It completely prevents evaporation

20.

What is the Central Arizona Project described as in the passage?

4 lines
21.

How many trillion gallons of water are gulped down from the Colorado River according to the passage?

a)

1 trillion gallons

b)

2 trillion gallons

c)

3 trillion gallons

d)

4 trillion gallons

22.

Which cities are mentioned as taking their fair share of water from the Colorado River?

4 lines
23.

What percentage of water consumed from the Colorado River is attributed to cities and industry?

a)

40%

b)

25%

c)

60%

d)

80%

24.

According to the passage, it is surprising that millions of people live in and around some of the driest land in North America.

a)

Surprising

b)

Expected

c)

Tragic

d)

Illogical

25.

What is the location of the wetland area mentioned in the passage?

4 lines
26.

What percentage of water consumed from the Colorado River is taken up by river ecosystems?

4 lines
27.

Wetlands act as flood control experts by absorbing excess water, reducing water flow velocity, and storing water during heavy rains.

a)

They absorb excess water and reduce water flow velocity.

b)

They increase water flow velocity.

c)

They have no effect on water absorption.

d)

They cause water to accumulate and worsen floods.

28.

State the benefits of wetlands for biodiversity.

a)

They provide diverse habitats, help improve water quality, and reduce flooding.

b)

They cause a decline in biodiversity.

c)

They increase soil erosion and desertification.

d)

They have no significant impact on biodiversity.

29.

Wetlands are considered unsung heroes of the Colorado River because they filter water, protect biodiversity, and reduce flood risks.

a)

They filter and purify water while protecting ecosystems.

b)

They promote recreational activities.

c)

They supply water for irrigation.

d)

They create tourist attractions.

30.

What is the prime suspect in the case of the vanishing Colorado River?

4 lines
31.

What percentage of the Colorado's water is used by the green seas in the middle of the desert?

4 lines
32.

What is alfalfa primarily used for according to the passage?

4 lines
33.

The impact of agriculture on river water resources as described in the passage is:

a)

Agriculture decreases river water quality due to runoff and nutrient loading.

b)

Agriculture increases river water purity and supports aquatic life.

c)

Agriculture has no impact on river water resources.

d)

Agriculture improves water circulation and oxygenation.

34.

It might make you think twice about what's on your plate because of potential contamination.

a)

It might contain harmful chemicals or pathogens

b)

It is guaranteed to be safe

c)

It always tastes bland

d)

It is served in small portions

35.

Not using the full water allotment for farmers can lead to reduced agricultural outputs.

a)

Reduced agricultural outputs

b)

Enhanced crop growth

c)

No significant impact

d)

Increased water wastage

36.

The impact of outdated water policies on water scarcity in the region is that they contribute to water scarcity by causing inefficient management and inadequate resource allocation.

a)

They reduce water scarcity.

b)

They stabilize water supply.

c)

They contribute to water scarcity.

d)

They have no effect on water scarcity.

37.

Identify the factors contributing to the near dryness of the Colorado River by the time it reaches Mexico.

a)

Excessive upstream water diversions, prolonged droughts, and climate change impacts

b)

Balanced water management practices

c)

Increased rainfall in the region

d)

Enhanced water conservation measures

38.

The Salton Sea is significant in the context of agricultural runoff because it acts as a collection point for runoff from surrounding agricultural areas.

a)

It serves as a collection point for agricultural runoff.

b)

It is used exclusively for recreational activities.

c)

It is a primary source of irrigation water.

d)

It is a natural, untouched reserve.

39.

What was the condition of the Mexican side of the border before the restoration efforts?

4 lines
40.

What is the main goal of the environmental organizations mentioned in the passage?

4 lines
41.

Fill in the blank: Through binational agreements, they've secured regular water releases into the delta area where this river once ______ into the sea.

a)

flowed

b)

drained

c)

poured

d)

meandered

42.

According to the passage, the restoration has had a positive impact on local wildlife.

a)

It has increased local wildlife populations.

b)

It has had no effect on local wildlife.

c)

It has decreased local wildlife populations.

d)

It has only affected plant life.

43.

According to the passage, what can be observed when comparing restored sites with non-restored sites?

4 lines
44.

What is the percentage increase in bird diversity mentioned in the passage?

a)

20%

b)

30%

c)

40%

d)

50%

45.

Which animals were recorded and seen in the area according to the passage?

4 lines
46.

Challenging local perceptions about what's possible in the region is driven by local innovation.

a)

Local innovation

b)

Government intervention

c)

International influence

d)

Foreign investment

47.

How long has it been since the river doesn't flow naturally in Mexico through the delta?

4 lines
48.

Restoration work is important because it preserves historical heritage according to the passage.

a)

It preserves historical heritage.

b)

It wastes resources.

c)

It has no impact on history.

d)

It is irrelevant.

49.

What is the reminder mentioned at 15:41 about our relationship with water?

4 lines
50.

The significance of the Colorado River mentioned at 15:57 is:

a)

It marks a significant natural landmark.

b)

It is just a river.

c)

It represents historical, ecological, and cultural importance.

d)

None of the above.

51.

What is the new development for the Terra series 'Weathered' mentioned at 16:13?

4 lines
52.

Who is leading the team to travel around the world for the series 'Weathered' as mentioned at 16:25?

4 lines
53.

The main theme of the series 'Weathered: Earth's Extremes' as described at 16:30 is the exploration of Earth's extreme weather conditions.

a)

It explores Earth's extreme weather conditions.

b)

It examines the impact of human activity on weather.

c)

It investigates species adaptation in harsh climates.

d)

It documents natural disasters.

54.

At 16:54, the speaker invites the audience to do something.

a)

Listen intently

b)

Laugh together

c)

Reflect on the subjects raised

d)

Engage with the content