Unit 4: Weather, Climate, and the Water Cycle

Antonio observes the weather one afternoon. He claims that thunderstorms are likely. Which observation provides evidence that supports this claim?

• There is a light wind.

• The temperature is 23 ºC (75 ºF)

• The winds are blowing from the east.

• The clouds are mainly cumulonimbus.

A student made the object below. What weather condition is the object designed to measure?

• rainfall

• humidity

• wind speed

• air pressure

Which pair of processes helps recharge aquifers?

• rain falling on oceans and on land

• glaciers breaking off and melting

• snow and rain falling on land

• melting glaciers and sea level rise

Which claim explains how weather differs from climate?

• Weather is the state of the atmosphere at a given time and place, and climate is weather conditions in an area over a longer period of time.

• Weather is atmospheric conditions in an area over a long period of time, and climate is the state of the atmosphere at a given time and place.

• Weather describes cloud cover and temperature at a given time and place, and climate describes precipitation and humidity at a given time and place.

• Weather describes precipitation and humidity at a given time and place, and climate describes cloud cover and temperature at a given time and place.

Which of these tools does a meteorologist use to describe the weather?

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Clouds are categorized by their shape and their elevation. Which list shows cloud type in order from lowest to highest in the sky?

• cirrus, altocumulus, stratus

• cirrus, stratus, altocumulus

• stratus, altocumulus, cirrus

• stratus, cirrus, altocumulus

The illustration below shows what a piece of hail can look like on the inside. Which claim explains why some balls of hail have layers?

• Water that freezes high in the atmosphere always forms layers.

• Raindrops freeze from the inside out, forming one layer of ice at a time.

• Cracks form layers in the ball of hail when the hail hits the ground.

• Each time a ball of hail goes up and down within a thundercloud, a layer of ice is added.

The following diagram shows a location where two air masses meet. What kind of weather is most likely at this location?

• a lightning storm

• steady rain or snow    

• a thunderstorm

• a wind storm

The following diagrams show the formations of air masses over different areas. Which air mass contains warm, moist air?

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Which symbol indicates a warm front?

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