Atmosphere and weather

Weather occurs over _______ periods of time, while climate occurs over _______ periods of time

• long, short

• short, long

Which gases are MOST abundant in the atmosphere?

• oxygen and hydrogen

• carbon dioxide and water vapor

• nitrogen and oxygen

• carbon dioxide and nitrogen

As you decrease elevation, air pressure ____________

• increases

• decreases

• stays the same

As you decrease elevation in the troposphere, temperature _________.

• increases

• decreases

• stays the same

The amount of greenhouse gases in the atmosphere has _______ over time

• increased

• decreased

• stayed the same

Why is ozone important?

• It absorbs/blocks infrared radiation

• It absorbs/blocks UV radiation

• it filters pollutants out of the air

• it prevents climate change

Based on the following data, which location would feel MOST humid (hot and sticky)

#1 - current temp = 60, dew point temp = 57

#2 - current temp = 40, dew point temp = 40

#3 - current temp = 70, dew point temp = 45

• 1

• 2

• 3

What is RELATIVE humidity?

• amount of water vapor in the air

• ratio of water vapor in air to the amount on the ground

• amount of water vapor in air compared to the average

• ratio of water vapor in air compared to amount possible for air to hold

The temperature to which air must be cooled to start condensation is called...

• humidity

• dew point

• condensation point

• saturation point

Which temperature air holds the most water?

• cold

• room-temperature

• hot