Dead Zones in the Ocean - Science Nation

Dead Zones in the Ocean - Science Nation

Assessment

Interactive Video

Science, Geography, Biology

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video discusses oceanographic research led by Jack Barth, focusing on the use of underwater gliders to measure ocean health indicators like temperature, salinity, and dissolved oxygen. It highlights the issue of ocean dead zones, particularly off the Oregon coast, caused by factors such as agricultural runoff and climate change. The research aims to understand these zones' impact on marine life and the role of climate change in altering ocean conditions. Technological advancements, such as smart robots, are revolutionizing ocean monitoring and providing new insights into ocean dynamics.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are the main parameters measured by Jack Barth's underwater gliders?

Pressure, depth, and light

Temperature, pressure, and pH

Temperature, salinity, and dissolved oxygen

Wave height, current speed, and salinity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a major human-induced cause of ocean dead zones?

Deforestation

Agricultural runoff

Overfishing

Oil spills

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do phytoplankton contribute to the formation of dead zones?

They consume all the oxygen in the water

They decompose and reduce oxygen levels

They increase water temperature

They block sunlight from reaching the ocean floor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How might global warming affect ocean oxygen levels?

By causing oxygen levels to rise

By increasing oxygen production in the ocean

By slightly decreasing oxygen levels over time

By having no effect on oxygen levels

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What role do smart robots play in oceanographic research?

They replace human divers in deep-sea exploration

They provide new insights into ocean conditions

They clean up ocean pollution

They monitor marine wildlife populations