WorksheetsLC3: Current Climate Change Review
Total questions: 29
Worksheet time: 15mins
Which of the following gases is not considered a primary greenhouse gas contributing to the greenhouse effect?
Carbon dioxide (CO2)
Methane (CH4)
Nitrous oxide (N2O)
Oxygen (O2)
How do carbon emissions primarily enter the atmosphere?
Through the process of photosynthesis
From the melting of polar ice caps
From burning fossil fuels
Via transpiration from plants
What is a significant consequence of ocean acidification?
Increase in sea surface temperature
Decrease in the pH of ocean water
Increase in the oxygen levels in the ocean
Decrease in the salinity of ocean water
What is one of the impacts of sea ice melting on ecosystems?
Increased availability of land for agriculture
Decrease in sea levels
Loss of habitat for species like polar bears
Increase in the amount of freshwater available for drinking
How does shoreline erosion relate to the melting of sea ice?
It decreases due to the increase in land area
It is not related to sea ice melting
It increases due to higher sea levels and stronger storm surges
It decreases because of the colder temperatures near the shore
Which greenhouse gas has the highest global warming potential over a 100-year period?
Carbon dioxide (CO2)
Methane (CH4)
Nitrous oxide (N2O)
Water vapor (H2O)
What is the primary source of carbon emissions from humans in the United States?
Deforestation
Agriculture
Industrial processes
Burning of fossil fuels
What effect does ocean acidification have on marine life?
It enhances the growth of all coral species
It increases the size of fish populations
It harms shell-forming organisms like corals and oysters
It has no significant effect on marine life
What is a direct effect of sea ice melting on global climate?
Decrease in global temperatures
Increase in the Earth's albedo effect
Decrease in the Earth's albedo effect, leading to more solar absorption
Increase in global oxygen levels
Which of the following is not a direct consequence of shoreline erosion?
Loss of property and infrastructure
Increased carbon dioxide absorption by the ocean
Loss of habitat for coastal and marine species
Increased risk of flooding in coastal areas
What role do greenhouse gases play in climate change?
They cool the Earth's surface by reflecting sunlight
They trap heat in the atmosphere, warming the Earth
They decrease the amount of heat escaping from the Earth's surface
They have no significant effect on the Earth's temperature
What is the primary way in which carbon emissions affect the environment?
They increase the nutrient content in soils
They lead to a decrease in global temperatures
They contribute to the greenhouse effect and global warming
They increase the oxygen levels in the atmosphere
What is a potential solution to mitigate the effects of ocean acidification?
Increasing the use of fossil fuels
Reducing carbon dioxide emissions
Decreasing the amount of phytoplankton in the ocean
Increasing the salinity of ocean water
How does the melting of sea ice affect polar ecosystems?
By increasing the amount of ice available for habitats
By decreasing the overall temperature of the ocean
By reducing the habitat available for ice-dependent species
By increasing the biodiversity of polar regions
What is the effect of increased carbon emissions on the Earth's weather patterns?
More predictable weather patterns
Decreased severity of storms
Increased frequency and severity of extreme weather events
No significant change in weather patterns
Why is shoreline erosion a concern for coastal communities?
It leads to an increase in land area
It can result in the loss of beaches and land used for human activities
It decreases the risk of flooding
It increases the amount of freshwater available
What is the relationship between carbon emissions and ocean acidification?
Carbon emissions decrease the pH of ocean water, leading to acidification
Carbon emissions increase the pH of ocean water, reducing acidification
There is no significant relationship between carbon emissions and ocean acidification
Carbon emissions cool the ocean, countering acidification
How does the loss of sea ice affect global sea levels?
It leads to a significant immediate rise in global sea levels
It has no effect on global sea levels
It indirectly contributes to sea level rise by accelerating glacier melt
It lowers global sea levels by increasing evaporation
What is a long-term consequence of shoreline erosion?
Temporary increase in land area
Permanent loss of ecosystems and biodiversity
Increased carbon sequestration in coastal areas
Decrease in global sea levels
Which process is most responsible for the increase in atmospheric greenhouse gases?
Photosynthesis by plants
Evaporation from oceans
Combustion of fossil fuels
Formation of sea ice
What is a major threat to coral reefs caused by ocean acidification?
Decrease in water temperature
Increase in fish populations
Coral bleaching due to lower pH
Enhanced coral growth
How does melting sea ice influence the Earth's energy balance?
It increases the reflection of sunlight
It decreases the absorption of solar energy
It increases the absorption of solar energy due to lower albedo
It has no effect on the Earth's energy balance
Which of the following is a consequence of increased greenhouse gas concentrations in the atmosphere?
Expansion of polar ice caps
Reduction in global sea levels
Decrease in ocean acidity
Increase in global average temperatures
What impact does ocean acidification have on the ability of marine organisms to build shells?
It increases the strength of shells
It reduces the availability of carbonate ions, making shell formation more difficult
It has no effect on shell formation
It makes shell formation easier for all marine organisms
How does the melting of sea ice contribute to changes in coastal erosion?
It decreases the frequency of storms affecting coastlines
It has no impact on coastal erosion
It increases coastal erosion due to higher sea levels and stronger waves
It reduces coastal erosion by stabilizing shorelines
The amount of carbon dioxide in the atmosphere today:
is higher than ever recorded in history
is lower than ever recorded in history
is about average when comparing it to all historical values
can't be reliably determined by current scientific instruments
Which of the following is NOT a greenhouse gas?
helium
methane
water vapor
carbon dioxide
Which of the Milankovitch cycles is pictured here?
eccentricity
obliquity
precession
ablation
Which of the following is a correct pairing related to future effects of climate change on natural hazards?
Thunderstorms are likely to be less common because the planet will be too warm for storms.
Hurricane season is likely to be extended because the sea temperatures will be warm enough for longer.
Everybody is likely to see more rain and precipitation because the warmer atmosphere will hold more water.
Wildfire season is expected to decrease because there will be wetter conditions across the world.
