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WorksheetsOcean chemistry and carbon cycle
Total questions: 14
Worksheet time: 7mins
What is the carbon cycle?
the series of processes by which carbon compounds are interconverted in the environment
When fossil fuels are burned
Photosynthesis
The process of carbon moving between the land and air, causing climate change.
Which two systems are in "balance" with each other.
Volcanism and ocean acidification
Photosynthesis and respiration
Plankton and crabs
The carbon cycle and the nitrogen cycle
What is not an issue involved in the burning of fossil fuels.
Releases previously trapped carbon into the atmosphere.
Causes air pollution
Contributes to acid rain
Reduces ocean salinity.
What is a greenhouse gas?
A gas that can absorb UV light
A gas that can absorb infrared light
A gas that can absorb visible light
A gas found in a greenhouse
Which of the following is NOT a greenhouse gas?
Ozone
Chlorofluorocarbons
Nitrogen
Methane
What is the greenhouse effect?
Climate change
The sole source of heat for Earth
The process in which heat is trapped in the atmosphere.
A natural process that traps air in the atmosphere.
The pH of an acidic solution will be...
Lower then 7
Above 7
Exactly 7
Thermohaline circulation is also known as...
The undersea escalator
The deep current
The fishy highway
The Great Ocean Conveyor Belt
What moves surface currents?
Gravity
High salinity
Wind
The moon
What causes deepwater formation (surface currents becoming deep currents)
An increase in density due to cooling and increasing salinity.
An increase in density due to cooling and decreasing salinity.
A decrease in density due to cooling and increasing salinity.
A decrease in density due to cooling and decreasing salinity.
Which of these processes causes salinity to increase?
Precipitation
Ice melt
evaporation
Deep water formation
Which process causes salinity to decrease
weathering of rocks
Ice melting
evaporation
ice formation
What is not a reason plankton are vital to the global ecosystem?
They produce 50% of Earths oxygen.
They are a vital part of the food chain.
They filter waste material from the ocean.
They make oil through fecal pellets and death.
I didn't want there to be 13 questions. Option 1 is correct.
Option 1
Option 2
Option 3
Option 4
