WorksheetsThe Ozone Layer
Total questions: 15
Worksheet time: 15mins
What happens to CFCs when they are exposed to ultraviolet rays?
They solidify
They dissolve in the atmosphere
They break down into substances including chlorine
They combine with oxygen to form ozone
Where has the ozone layer been particularly impacted by pollution?
Above the equator
Above the Antarctic
Above industrialized countries
Above the Arctic
Which sphere contains the ozone layer that protects living things from harmful ultraviolet radiation?
Hydrosphere
Atmosphere
Geosphere
Thermosphere
What is the primary cause of ozone depletion?
Excessive CO2 emissions
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances
Deforestation
Volcanic eruptions
What is the consequence of a thinner ozone layer for humans?
Improved vision at night
Increased risk of respiratory diseases
Increased risk of skin cancer
Enhanced immune system
What is misleading about the term 'ozone holes'?
They are actually filled with oxygen
They are permanent and cannot be repaired
They only occur in the troposphere
They are more like thin patches than actual holes
What international agreement banned the production of ozone-depleting substances?
Stockholm Convention
Montreal Protocol
Paris Agreement
Kyoto Protocol
Between what heights is the ozone layer found in the atmosphere?
2-3 km
0-1 km
19-30 km
70-80 km
When was the hole in the Ozone Layer above Antarctica first discovered?
1985
1995
1950
1890
What is the name of a common man-made substance that causes ozone depletion?
TLC
CFC
DDT
MCC
Where is the majority of ozone found in the atmosphere?
Thermosphere
Troposphere
Mesosphere
Stratosphere
What type of harmful rays are blocked by ozone?
Radio waves
Infrared
Ultraviolet
X-rays
What is the primary function of the ozone layer in Earth's atmosphere?
To trap heat and warm the planet
To block harmful ultraviolet radiation from the sun
To absorb carbon dioxide
To reflect visible light back into space
Which chemical reaction is primarily responsible for the depletion of the ozone layer?
@@ ext{CFCs + UV light} ightarrow ext{Chlorine atoms}@@
@@ ext{CO}_2 + ext{H}_2 ext{O} ightarrow ext{Glucose}@@
@@ ext{O}_2 + ext{UV light} ightarrow ext{Ozone}@@
@@ ext{N}_2 + ext{O}_2 ightarrow ext{NO}_x@@
What is a significant environmental effect of a depleted ozone layer?
Increased global temperatures
Higher incidence of skin cancer
Decreased levels of atmospheric oxygen
Increased plant growth
