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WorksheetsUnit 7: Human Impact On Hydrosphere Review
Total questions: 40
Worksheet time: 24mins
What is a watershed?
A large body of saltwater
An area of land that drains into a particular body of water
A type of water pollution
A method of water purification
Which of the following is a simple procedure to reduce water pollution in a watershed?
Building more factories
Planting trees along riverbanks
Increasing the use of pesticides
Draining wetlands
How does overfishing affect ocean systems?
It increases the biodiversity of the ocean
It leads to a decrease in fish populations
It has no impact on ocean systems
It improves water quality
Identify a human activity that can lead to groundwater contamination.
Recycling
Composting
Industrial waste disposal
Planting gardens
Describe the role of wetlands in maintaining water quality in a watershed.
Wetlands increase the salinity of water
Wetlands filter pollutants and sediments from water
Wetlands are sources of industrial waste
Wetlands decrease biodiversity
How does plastic pollution affect ocean systems?
It provides habitat for marine life
It has no effect on marine organisms
It harms marine life and disrupts ecosystems
It increases the oxygen levels in water
Analyze the impact of agricultural runoff on surface water quality.
It improves water quality by adding nutrients
It leads to eutrophication and algal blooms
It has no impact on water quality
It reduces the levels of harmful bacteria
Evaluate the effectiveness of marine protected areas in conserving ocean systems.
They have no impact on marine conservation
They help in preserving biodiversity and restoring fish populations
They increase pollution levels
They reduce the number of marine species
What strategic actions can be taken to mitigate the effects of urbanization on watersheds?
Increase impervious surfaces
Implement green infrastructure and stormwater management practices
Reduce vegetation cover
Increase industrial activities
What is the primary source of ocean acidification?
Increased levels of oxygen
Increased levels of carbon dioxide
Decreased levels of nitrogen
Decreased levels of hydrogen
Which human activity is most likely to cause thermal pollution in water bodies?
Solar energy production
Nuclear power plant operations
Wind energy production
Geothermal energy production
Discuss how oil spills impact marine ecosystems.
They provide nutrients for marine life
They create barriers that prevent oxygen exchange
They have no effect on marine ecosystems
They increase fish populations
What are the consequences of excessive nutrient loading in ocean systems?
Increased biodiversity
Decreased algal growth
Hypoxia and dead zones
Improved water clarity
Propose a plan to reduce the impact of human activities on ocean systems.
Increase the use of single-use plastics
Implement stricter regulations on waste disposal and promote sustainable fishing practices
Encourage more offshore drilling
Reduce marine protected areas
What is the primary effect of urbanization on watersheds?
Increased water absorption by soil
Decreased wildlife diversity
Increased surface runoff
Enhanced natural water filtration
Why is it important to maintain healthy watersheds?
They can generate electricity
They support biodiversity
They are a primary source of mineral resources
They increase land value for real estate
What is the relationship between human population and water conservation?
Water conservation is only necessary in areas with high human population.
Water conservation is only necessary in areas with low human population.
The human population has no impact on water conservation.
The human population has a direct impact on the need for water conservation.
Which of these is the best way to wash your car and conserve water?
In your driveway with a hose
drive it into a lake
at a carwash that recycles water
Which human activity has the most negative impact on water quality?
washing clothes
recreational boating
flushing toilets
agriculture
The picture provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the least likely source for this pollution
City 1 and City 2
City 3 and City 4
City 2 and City 3
City 1 and City 4
phosphate can get into water because of what substances causing water pollution?
cleaning products
fertilizer
sewage
all of these options
Which of these human actions is most harmful to a lake ecosystem?
Making rules to limit the amount of fishing in the lake
Allowing pollution to enter the lake from nearby farms
Researching plants and animals that live in the lake
Making rules to limit the speed of boats on the lake
Which of these human actions is most harmful to a lake ecosystem?
Making rules to limit the amount of fishing in the lake
Allowing pollution to enter the lake from nearby farms
Researching plants and animals that live in the lake
Which of these human activites is most likely to cause the excessive growth of phytoplankton in the world's oceans?
F
G
H
J
Why do algae blooms happen?
there are too many nutrients in the water
there are too many fish in the water
there is not enough turbidity in the water
all of these options
Which of the following human activities would most likely lead to excessive growth of phytoplankton in the world's oceans?
The logging of old growth forest, which results in erosion.
The mining of fossil fuels which requires digging underground tunnels.
The use of chemical fertilizers that are carried to the oceans by runoff to the rivers.
The spraying of chemical herbicides that reduce the amount of carbon dioxide in the air.
which is true?
humans have thrown trash into oceans for hundreds/thousands of years
humans have thrown trash into oceans for 20 years
humans don't throw trash into oceans
Olivia, Oliver, and Zoe went on a field trip to the local aquarium. During the tour, the guide asked, 'What is overfishing?'
Overfishing is the act of promoting the growth of fish populations
Overfishing is the act of releasing too many fish into the ocean
Overfishing is the act of conserving fish populations
Overfishing is the act of catching too many fish at once, depleting the population to the point where they can no longer sustain themselves.
Maya and Aiden are studying the impact of human activities on their local watershed. What is one way these activities can negatively impact surface water?
Planting trees
Building dams
Dumping industrial waste
Creating wildlife reserves
During a school project, Anika and Daniel researched how overfishing affects ocean systems. What did they find?
It increases biodiversity.
It leads to the depletion of fish populations and disrupts marine ecosystems.
It has no significant impact.
It improves water quality.
What do algae feed on in the ocean in order to multiply?
clams and sponges
nutrients
animal waste
other algae
Where is the most fresh water found?
lakes
rivers
beneath Earth's surface
What do we call water found beneath the Earth's surface?
groundwater
surface water
fresh water
recharge zone
What definition BEST describes a watershed?
An area where water infiltrates the soil
An area where aquatic plants and animals thrive
An area where snow melts and changes into liquid water
An area that collects precipitation and drains it to the lowest point
Which statement about water pollution is TRUE?
Pollution only affects surface water.
Pollution cannot be dissolved in water.
Pollution affects both surface and groundwater.
Pollution cannot travel through soil to groundwater.
Pollutants from a factory that enter the water in a watershed will have a negative effect on which of the following?
Local pond life
Rainfall rates
Direction of river flow
Available space for crops
The use of pesticides and fertilizers is carefully monitored because of the effect they can have on the environment. Which of the following is a possible negative effect of the use of these chemical on the environment?
These chemicals are expensive to produce.
Runoff carries these chemicals into lakes and streams.
Storage space for these chemicals is limited.
Theses chemicals cannot be purchased in large bulk.
The process where water or irrigation runs over land and seeps into the ground, or flows into streams or oceans.
water cycle
runoff
precipitation
evaporation
The largest source of pollution in the ocean comes from __________.
Oil Spills
Acid Rain
Runoff
Wind
