Elements Of Weather

What is visibility in meteorology?

• The amount of rain in the atmosphere

• The maximum distance at which objects can be clearly discerned

• The speed of wind in a particular area

• The temperature of the air

Which instrument is commonly used to measure visibility?

• Anemometer

• Thermometer

• Barometer

• Visibility meter

How do clouds form?

• By the evaporation of water from the ground

• By the accumulation of dust in the atmosphere

• By the condensation of water vapor in the air

• By the melting of ice crystals in the sky

What type of cloud is associated with thunderstorms and heavy rain?

• Cumulus

• Cumulonimbus

• Cirrus

• Stratus

What is sunshine duration?

• The total number of hours when it's snowing

• The total number of hours when it's raining

• The total number of hours when the sun is shining

• The total number of hours when the moon is shining

Which instrument is commonly used to record sunshine duration?

• Campbell-Stokes recorder

• Thermometer

• Barometer

• Hygrometer

What type of climate does The Bahamas generally experience in terms of sunshine duration?

• Low sunshine duration

• Moderate sunshine duration

• No sunshine duration

• High sunshine duration

1. What is sunshine duration?

a. The total number of hours when the sun is shining and obscured by clouds.
b. The total number of hours when the sun is shining and not obscured by clouds.
c. The total number of hours when the sun is not shining.
d. The total number of hours when the sun is obscured by clouds.

• A

• B

• C

• D

Which instrument is commonly used to measure sunshine duration?

a. The Campbell-Stokes recorder.
b. The Hygrometer.
c. The Barometer.
d. The Anemometer.

• A

• B

• C

• D

How does the Campbell-Stokes recorder work?

a. It uses a glass sphere to focus sunlight onto a card.
b. It uses a glass sphere to focus moonlight onto a card.
c. It uses a glass sphere to focus raindrops onto a card.
d. It uses a glass sphere to focus wind onto a card.

• A

• B

• C

• D