Category 1
What are clouds made of?
Water vapor in the atmosphere
What cloud name means piled or heaped?
Cumulus
The layer of the atmosphere in which weather occurs is the _________.
Troposphere
When climbing a high mountain, you get out of breath easily because______________.
There is less oxygen in each cubic meter of air.
Hurricanes usually form over ___________.
Warm Ocean Water
Earth's atmosphere (troposphere) is made of what two gases?
78% Nitrogen
21% Oxygen
Heat from the sun reaches you by ___________.
Radiation
The ozone layer protects living things on Earth from ________.
UV rays from the sun
What layer of the Earth's atmosphere contains the Ionosphere?
Thermosphere
Lightning is formed when __________.
Charges build up in clouds.
Heat Transfer between two substances that are in contact is_____________
Conduction
Instruments used to measure air pressure are called __________.
Barometers
Earth's atmosphere is important to living things because it ___________________.
Provides all the gases that living things need to survive. (Also warms the Earth's surface so water is liquid)
The line at 0 degrees longitude is called the _______ __________.
Prime Meridian
Large clouds that produce thunderstorms are called ___________ clouds.
Cumulonimbus
The name of the scale used to rate the intensity of tornadoes is the __________ scale
Fujita
A large parcel of air that takes on the characteristics of the area over which it forms is an ______ _______.
Air mass
Weather is caused by ______________.
Convection currents created by the sun's heat.
Imaginary lines that run north to south (vertically) on the globe are called _________lines.
Longitude
The average year after year conditions of temperature, precipitation, winds and clouds in an area is known as __________.
Climate
What type of weather develops when a cold front moves in on a warm front?
Thunderstorms with intense precipitation
When a storm over an ocean has wind speeds of 74 mph what can it be classified as?
Hurricane
Convection takes place because_______________.
Cold air is more dense than warm air.
The layer of the atmosphere that contains the ozone layer is called the _________.
Stratosphere
The condition of Earth's atmosphere at a particular time and place is known as _________.
Weather