UNEP UNESCO
home / test & play / easy fun / fighting pollution / ozone layer

youthXchange go
RESPECTING OUR BODIES PACKAGING YOURSELF AWAKENING YOUR SOUL LOOKING FOR A PLACE CARRYING THE TORCH CLEAN UP YOUR FUN SOCIAL BELOGING PAY THE RIGHT PRICE LOOKING AHEAD
back to index

easy fun
 > animal welfare
 > energy for tomorrow
 > saving water
 > garbage world
 > fighting pollution
 > sharing the planet

tricky tests
 > forecast the weather
 > gaia at work!
 > just one planet
 > old is gold
 > to buy or not to buy?
 > test your taste

commitment tracks
 > sustainable tourism
 > sustainability IQ
 > take it personally!
 > use less, get more!


English site French site Korea site
test & play
EASY FUN
air quality | ozone layer


OZONE LAYER DEPLETION


B beginners
A advanced
YXC HELP link to the relevant information.

ozone layer
print this page share with a friend

courtesy, Royal Geographical Society (Geography in the News)

  • Ozone is a form of…

    a. oxygen
    b. hydrogen
    c. nitrogen
    d. carbon dioxide


  • The ozone layer shields the Earth from ultraviolet rays from the sun. Exposure to too much ultraviolet radiation can cause…

    a. more people to have skin cancers and eye problems
    b. damage animals and crops
    c. hurt marine life
    d. all of the above


  • There is a ‘hole’ in the ozone…

    a. all the time
    b. never
    c. some of the time


  • The ozone in the earth's atmosphere screens out:

    a. space dust
    b. meteors
    c. UV radiation from the sun
    d. smog


  • What part of the atmosphere contains the ozone layer? (i.e. - where is most of the ozone?)

    a. troposphere (0-15 km)
    b. stratosphere (15-50 km)
    c. mesosphere (50-80 km)
    d. thermosphere (above 80 km)


  • Where was the ozone hole discovered?

    a. Arctic
    b. Russia
    c. Australia
    d. Antarctic


  • Emissions of CFCs are responsible for the greatest share of ozone layer depletion. From the choices below, pick four (4) uses of CFCs.

    a. refrigeration
    b. fuel additives
    c. solvents
    d. pesticides
    e. air conditioning
    f. power generation
    g. foam generation
    h. iron production


back to the top
[ home | UNEP/UNESCO contact | partners | YXC Team ]