Humidity, Clouds, and T-Storms

Multiple Choice

When water changes from a liquid to a gas, this is called

• condensation

• precipitation

• evaporation

• freezing

Multiple Choice

Which can "hold" more water vapor?

• relatively cooler air

• relatively warmer air

Multiple Choice

Why does high humidity make humans feel uncomfortable?

• We first evolved in a dry climate.

• Humidity is higher now than it ever used to be,

• It makes it difficult for our sweat to evaporate.

• We're just being whiny.

Multiple Choice

In order for water vapor to condense into liquid droplets, what is needed?

• warm front

• downdraft

• stratus clouds

• condensation nuclei

Multiple Choice

Why do water vapor molecules have a hard time sticking together on their own?

• They're too heavy.

• They're too fast.

• They're too small.

• They repel each other.

Multiple Select

Heat Index takes into account which TWO factors?

• (air) temperature

• relative humidity

• dew point

• UV index

Multiple Choice

Which types of clouds insulate the Earth by trapping outgoing radiation?

• stratus

• cumulus

• cirrus

Multiple Choice

Which types of clouds are made of ice crystals?

• stratus

• cumulus

• cirrus

Multiple Choice

Which types of clouds are at the highest altitudes?

• stratus

• cumulus

• cirrus

Multiple Choice

Which types of clouds insulate the Earth by reflecting most incoming radiation?

• stratus

• cumulus

• cirrus

Multiple Choice

Which types of clouds are heat neutral? (they reflect as much radiation as they absorb)

• stratus

• cumulus

• cirrus

Multiple Choice

Clouds that are hazy, smooth, and low altitude are called . . .

• stratus

• cumulus

• cirrus

Multiple Choice

Which types of clouds are flat-bottomed and fluffy-looking?

• stratus

• cumulus

• cirrus

Multiple Choice

The last stage of a thunderstorm is called the

• cumulus stage

• dissipating stage

• downdraft stage

• mature stage

Multiple Select

Which thunderstorm stages involve updrafts?

• Cumulus stage

• Mature stage

• Dissipating stage

Multiple Choice

Which T-storm stage is characterized by downdrafts being stronger than updrafts?

• Cumulus stage

• Mature Stage

• Dissipating Stage

Multiple Choice

Thunderstorms dissipate from the top down.

(the top disappears first, then the middle, then the bottom)

• True

• False--it all dissipates at the same time

• False--the bottom dissipates first