Match a line in A with a line in B to define the words in italics. Use your dictionary if you want.
a)
A | B |
A rainbow is | wind blowing from behind a travelling aircraft. |
Drift is | it is not windy. |
Snowdrifts are | deviation by an aircraft from a set course due to winds |
Tailwind is | violent or uneven movement of air. |
Crosswind is | wind blowing from directly in front. |
Headwind is | an arch containing the colours of the spectrum, formed in the sky, when the sun shines through rain or spray. |
When it is calm | wind blowing across the direction in which aircraft are travelling |
Turbulence is | deep banks of snow heaped up by the wind |
b)
A | B |
Fog is | thin mist. |
Mist is | it is not completely dry, slightly wet. |
Haze is | falling snow or hail mixed with rain. |
Frost is | a cloud of minute drops of water vapour hanging just above the ground, less thick than fog but still difficult to see through. |
When the runway is damp | a thick cloud of tiny drops of water close to or just above land or sea; thick mist. |
When the runway is wet | it is covered with soft, usually dirty, melting snow. |
Sleet is | it is covered, soaked or moistened with water. |
When there is slush on the runway | weather condition in which temperature falls below freezing point. |
c)
A | B |
Snow is | a cloud formed of rounded masses heaped on a flat base. |
Rain is | frozen water that falls to the ground from the sky in soft white flakes. |
Sandstorm is | a cloud level. |
Drizzle is | a storm in a desert in which sand is blown through the air by the wind. |
Cirrus is | it is covered with cloud. |
Cumulus is | a type of light wispy cloud, high in the sky. |
When the sky is overcast, | condensed moisture of the atmosphere falling as separate drops. |
Ceiling is | fine misty rain. |
d)
A | B |
Hail is | loud noise that follows a flash of lightning. |
A hailstone is | frozen rain falling in a shower. |
Tornado is | a funnel-shaped column of water between the sea and the clouds, formed when a whirlwind draws up a whirling mass of water. |
Waterspout is | a storm with a violent wind, especially a West Indian cyclone. |
Thunder is | a flash of brilliant light in the sky produced by natural electricity passing between clouds or from clouds to the ground, usually followed by thunder. |
Lightning is | a small ball of hail. |
Hurricane is | a violent tropical hurricane that occurs in the western Pacific. |
Typhoon is | violent and destructive whirlwind. |
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