OZONE DEPLETION

Question 1

_________ is a chemical allotrope of oxygen consisting of three oxygen atoms (O3).

Answer 1

Ozone

Question 2

It is a pale blue gas that is explosive and toxic, even at low concentrations.

Answer 2

ozone

Question 3

Ozone has a distinctive compared to ________________.

Answer 3

chlorine bleach

Question 4

Ozone (O3) is formed when high-energy ___________radiation from the sun breaks apart molecular oxygen (O2)

• Atomic oxygen quickly combines with other oxygen molecules to form ozone

Answer 4

ultraviolet

Question 5

The wearing out (reduction) of theamount of ozone in the stratosphere

Answer 5

Ozone Depletion

Question 6

Ozone depletion is pinned down human to one major activity:

Industries that manufacture things uses omething called ______________________.

Answer 6

chlorofluorocarbons

Question 7

Depletio begins when CFC’s get intothe ___________. Ultra violet radiation from the sun breaks up these CFCs.

The breaking up action releases ________________. ______________ react with Ozone, starting a chemical cycle that destroys the good ozone.

Answer 7

stratosphere

chlorine atoms, chlorine atoms

Question 8

One chlorine atom can break apart more than _______________ ozone molecules.

Answer 8

100,000

Question 9

Causes of Ozone Depletion
Human

Answer 9

1. Chlorofluorocarbon
2. Halon
3. Methyl Chloroform

Question 10

CAUSES OF OZONE DEPLETION
natural causes

Answer 10

1. Volcanic Eruptions
2. Sun - spots
3. Stratospheric Winds

Question 11

OZONE-DEPLETING CHEMICALS

used as coolants, propellants, cleaners for electronic parts, fumiginants, and bubbles in plastic foam.

Answer 11

chlorofluorocarbons

Question 12

used in fire extinguisher

Answer 12

Halons and Hydrobromofluorocarbons

Question 13

used as fumigant

Answer 13

Methyl bromide

Question 14

emitted into the stratosphere by space shuttles

Answer 14

Hydrogen Chloride

Question 15

____________, blindness and other eye disease.

Answer 15

cataracts

Question 16

Accelerated warming because of decreased ocean uptake of CO2 from atmosphere by _______________ and CFC’s acting as greenhouse gasses

Answer 16

phytoplankton

Question 17

IMPORTANCE OF OZONE LAYER

Ozone, a crucial component of the ozone layer, is primarily produced and removed through the absorption of harmful ____ radiation from the sun, crucial for all life forms on Earth.

Answer 17

UV

Question 18

Measures to prevent ozone depletion

Answer 18

Limit private vehicle driving
Use eco-friendly household cleaning product
sAvoid using pesticides
Developing stringent regulations for rocket launches
Banning the use of dangerous nitrous oxide

Question 19

INTERNATIONAL MEASURE to save ozone

Answer 19

Montreal Protocol signed in 1897