Types of Pollution
What is atmospheric pollution?
A) A change in ocean salinity
B) A change in the composition of the atmosphere
C) The creation of new gases in volcanoes
D) Dust from deserts
B) A change in the composition of the atmosphere
What causes acid rain?
A) Carbon dioxide and oxygen
B) Nitrogen and sulphur oxides
C) Water vapor and methane
D) Hydrogen and helium
B) Nitrogen and sulphur oxides
What are greenhouse gases?
A) Gases that cool the planet
B) Gases that trap heat
C) Gases from volcanoes
D) Gases that create ozone
B) Gases that trap heat
What is a preventive measure?
A) An action to stop pollution before it happens
B) Cleaning after pollution
C) Ignoring the problem
D) Burning more fuels
A) An action to stop pollution before it happens
What happens to the average global temperature?
A) It increases
B) It decreases
C) It stays the same
D) It disappears
A) It increases
Which gas is released by vehicles?
A) Nitrogen oxides
B) Oxygen
C) Helium
D) Hydrogen
A) Nitrogen oxides
What does acid rain damage most?
A) Forests
B) Oceans
C) Roads
D) Skyscrapers
A) Forests
What is the Earth’s average temperature without greenhouse gases?
A) +30°C
B) +15°C
C) –18°C
D) 0°C
C) –18°C
Which of the following is a renewable energy source?
A) Solar
B) Coal
C) Oil
D) Diesel
A) Solar
What happens to glaciers?
A) They grow
B) They stay the same
C) They retreat
D) They melt slower
C) They retreat
What do large livestock farms release into the air?
A) Ozone
B) Methane
C) Sulphur
D) Hydrogen
B) Methane
What problems can air pollution cause in humans?
A) Skin infections
B) Respiratory problems
C) Broken bones
D) Vision problems
B) Respiratory problems
What happens when there are normal levels of greenhouse gases?
A) The planet overheats
B) The planet stays warm enough for life
C) The planet freezes
D) There is acid rain
B) The planet stays warm enough for life
Which action helps reduce pollution from cars?
A) Use public transport
B) Drive more often
C) Use bigger vehicles
D) Ignore traffic rules
A) Use public transport
What happens to sea level due to climate change?
A) It rises
B) It falls
C) It stays equal
D) It evaporates
A) It rises
What pollutant destroys the ozone layer?
A) CFCs
B) CO₂
C) Nitrogen
D) Dust
A) CFCs
What happens when heavy metals enter soil and water?
A) They disappear
B) They evaporate
C) They accumulate in food chains
D) They turn into oxygen
C) They accumulate in food chains
What happens when greenhouse gases increase too much?
A) Global warming
B) Global cooling
C) No change
D) More ozone
A) Global warming
What is a corrective measure?
A) Stopping pollution before it starts
B) Acting against existing pollution
C) Ignoring laws
D) Cutting more trees
B) Acting against existing pollution
What happens to sea ice extent?
A) It increases
B) It decreases
C) It changes color
D) It grows stronger
B) It decreases
Which human activity releases heavy metals and toxic gases?
A) Agriculture
B) Industry and vehicles
C) Oceans
D) Volcanoes
B) Industry and vehicles
What happens when CFCs destroy the ozone layer?
A) More UV radiation reaches Earth
B) Temperatures drop
C) The ozone becomes stronger
D) Nothing happens
A) More UV radiation reaches Earth
Which gas contributes most to the greenhouse effect?
A) CO₂
B) Oxygen
C) Helium
D) Hydrogen
A) CO₂
What can governments do to help?
A) Promote renewable energy
B) Burn more oil
C) Stop recycling
D) Remove forests
A) Promote renewable energy
Which of these is a result of global warming?
A) More extreme weather
B) Less sunlight
C) Stronger ozone layer
D) Fewer storms
A) More extreme weather