Which of the following could contribute to an increase in pollution?

• high wind velocity
• occurrence of rain and snow
• change in amount of sunlight
• heavy auto traffic

What does a barometer measure?

• temperature
• air pressure
• dew point
• humidity

At the beach in the summertime, the transfer of heat from the sand to the bottoms of your feet is called

• radiation
• fission
• conduction
• convection

Virginia is in the mid latitudes. Which best describes Virginia's climate?

• Temperate
• Tropical
• Subtropical
• Subpolar

What is the 2nd most abundant gas in the atmosphere?

• Nitrogen
• Oxygen
• Argon
• Carbon Dioxide

Practically all clouds & storms occur in this layer of the atmosphere.

• Stratosphere
• Thermosphere
• Troposphere
• Mesosphere

Cloudy nights can be warmer than clear nights because clouds trap heat____

• produced by the friction of air particles
• generated from tropical winds
• released from Earth's interior
• absorbed by Earth during daylight hours

The different layers of Earth's atmosphere can be categorized by variations in _____

• air pressure
• humidity
• temperature
• dew point

Which of the following determines the properties of an air mass?

• The conditions of the area over which it forms
• The phase and position of the moon when it forms
• The exact time of year when it forms
• The geology of the area where it forms

Thunder is caused by ___

• the discharge of ultraviolet energy
• the electric barrier
• the rapid expansion of superheated air
• the impact of electricity hitting the Earth