Dissolved Oxygen in Water

Quiz
•
Science
•
8th Grade
•
Hard
Standards-aligned
Charles Martinez
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which are the most abundant dissolved gases in ocean water?
nitrogen and carbon dioxide
oxygen and carbon dioxide
oxygen and methane
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes the source of oxygen in ocean water?
Oxygen is produced by marine plants in the process of making food.
Oxygen is produced through the exhalations of marine animals.
Oxygen is produced through precipitation falling on the ocean.
Oxygen is produced by nodules on the ocean floor.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which are the two main sources of the dissolved oxygen in the ocean?
surface air and ocean plants
warm water vents and Earth’s core
underwater volcanoes and earthquakes
animal respiration and dead matter decomposition
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of ocean water would contain more dissolved oxygen?
cold ocean water in polar regions
warm ocean water in tropical regions
temperate ocean water in subtropical regions
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why do plant plankton not grow in the deep ocean?
because sunlight does not reach the deep ocean
because too many animals eat it before it can grow
because there are not enough dissolved gases to support it
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes the relationship between salinity levels and the amount of dissolved gases in ocean water?
As salinity increases, the amount of dissolved gases increases.
As salinity increases, the amount of dissolved gases decreases.
As salinity decreases, the amount of dissolved gases decreases.
As salinity decreases, the amount of dissolved gases remains the same
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which dissolved gas is added to ocean water as a result of photosynthesis?
oxygen
nitrogen
carbon dioxide
Tags
NGSS.MS-LS1-6
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