Weather Unit Test Review

Which instrument is used to measure air pressure?

• Anemometer

• Barometer

• Thermometer

• Hygrometer

What is the main difference between weather and climate?

• Weather describes daily atmospheric conditions, while climate is the average over a long period.

• Climate can change in a day, but weather cannot.

• There is no difference; they are interchangeable terms.

Which weather instrument measures wind speed?

• Barometer

• Anemometer

• Thermometer

• Rain gauge

What does a hygrometer measure?

• Air pressure

• Wind direction

• Humidity

• Temperature

What causes unusually warm water in the Pacific Ocean?

• El Niño

• Jet Stream

• Earths Rotation

What causes unusually cold water in the Pacific Ocean?

• El Niño

• Jet Stream

• Earths Rotation

• La Niña

What winds have the most direct impact on US weather?

• Polar Easterlies

• Prevailing Easterlies

• Trade Winds

What does the GULF stream do? Think Gulf of Mexico...

• Warms the east coast waters of the US.

• Moves air masses

• Causes drought in the pacific

What is an air current the moves weather in the US from WEST to EAST

• gulf stream

• el niño

• jet stream

Which of the following best describes a high-pressure system?

High-Happy weather - Low-sad weather

• Associated with stormy weather

• Associated with calm and clear weather

• Only occurs during the winter months

• Results in heavy precipitation