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WorksheetsHuman Impact on Oceans
Total questions: 1
Worksheet time: 7mins
1-10.
Answer the questions below after watching the video
What percentage of the Earth's surface is covered by oceans?
About 70%
About 50%
About 80%
About 60%
What role do oceans play in the climate system?
They regulate the planet's climate
They increase global warming
They have no impact
They decrease air quality
What is a major cause of ocean pollution?
Natural sedimentation
Volcanic eruptions
Industrial discharges
Solar flares
What causes hypoxia zones in oceans?
Decreased salinity
Increased oxygen levels
Marine construction
Agricultural runoff
Which species is mentioned as being heavily overfished?
Shrimp
Salmon
Bluefin tuna
Clownfish
What is bycatch?
A type of fish
A marine conservation program
Unintentional catch of non-target species
A fishing technique
Why is overfishing a problem?
It leads to the collapse of fisheries
It increases fish populations
It promotes marine biodiversity
It makes fish cheaper
What is a significant threat to marine life due to plastic waste?
Sunlight reduction
Noise pollution
Algal blooms
Microplastics ingestion
What is a proposed solution for sustainable ocean management?
Promoting the use of non-biodegradable materials
Reducing public awareness campaigns
Decreasing marine protected areas
Strengthening regulations on waste disposal
How do marine protected areas (MPAs) help oceans?
By reducing sunlight
By promoting overfishing
By conserving marine biodiversity
By increasing pollution
