WorksheetsOxygen Cycle
Total questions: 15
Worksheet time: 15mins
What does an "exchange of gases" mean?
It means that gases are apart of everything.
It means that orange juice is an upside down milkshake with a missing tail.
It means that humans and plants trade gases back and forth.
It means that carbon in apart of all living things.
Is our oxygen cycle balanced? How do you know? Explain.
Explain one way in which the oxygen cycle could become off balance.
What other element cycle is the oxygen cycle most interconnected with?
nitrogen cycle
carbon cycle
water cycle
element cycle
Which of the following processes produces oxygen in the oxygen cycle?
respiration
decomposing
oxidation
sunlight
Oxygen is constantly being used and created by different processes on planet Earth.
True
False
________________ are the main creators of oxygen in the atmosphere.
Plants
Animals
Robots
Soils
What is the primary source of oxygen in the Earth's atmosphere?
Photosynthesis by plants
Respiration by animals
Combustion of fossil fuels
Volcanic eruptions
Which process in the oxygen cycle involves the conversion of oxygen into carbon dioxide?
Photosynthesis
Respiration
Combustion
Decomposition
How do oceans contribute to the oxygen cycle?
By absorbing oxygen from the atmosphere
By releasing oxygen through phytoplankton photosynthesis
By storing oxygen in deep sea currents
By converting oxygen into carbon dioxide
What role do decomposers play in the oxygen cycle?
They release oxygen during decomposition
They consume oxygen during decomposition
They convert oxygen into nitrogen
They have no role in the oxygen cycle
Which of the following human activities can disrupt the oxygen cycle?
Deforestation
Planting more trees
Using solar energy
Recycling waste
What is the relationship between the oxygen cycle and the carbon cycle?
They are independent of each other
They are interconnected through photosynthesis and respiration
The oxygen cycle depends entirely on the carbon cycle
The carbon cycle is a subset of the oxygen cycle
Which gas is a byproduct of photosynthesis in the oxygen cycle?
Carbon dioxide
Nitrogen
Oxygen
Methane
What is the impact of increased atmospheric carbon dioxide on the oxygen cycle?
It enhances oxygen production
It reduces oxygen production
It has no impact
It increases oxygen consumption
