Shared Flashcard Set

Details

Chapter 8
Conditions of the Atmosphere
48
Science
7th Grade
06/28/2007

Additional Science Flashcards

 


 

Cards

Term
What gas did Daniel Rutherford discover?
Definition
nitrogen
Term
What gas did Daniel Rutherford discover?
Definition
nitrogen
Term
What gas is consumed by burning?
Definition
oxygen
Term
What is the most abundant gas in the atmosphere?
Definition
nitrogen
Term
What layer touches the earth's surface?
Definition
homosphere
Term
What is the lapse rate?
Definition
The steady in temperature in the troposphere
Term
What atmospheric layer is free of clouds and dust?
Definition
mesophere
Term
What is ozone composed of?
Definition
oxygen atoms
Term
How much incoming solar radiation is reflected by the atmosphere?
Definition
32%
Term
How much incoming solar radiation is reflected by the atmosphere?
Definition
32%
Term
How much incoming solar radiation is reflected by the atmosphere?
Definition
32%
Term
What is relative humidity?
Definition
The amount of water that the air does hold compared to the amount is could hold
Term
What is wind-chill?
Definition
The decrease in the apparent air temperature.
Term
What is the most common form of precipitation?
Definition
rain
Term
What did Priestly and Scheele discover?
Definition
oxygen
Term
Where does aircraft fly to avoid storms?
Definition
stratosphere
Term
What temperature of the atmosphere is found at the top of the mesosphere?
Definition
the coldest
Term
What atmospheric layer acts as a shield to protect us by absorbing the harmful ultraviolet radiation?
Definition
ozone layer
Term
What region holds charged particles such as protons and electrons?
Definition
ionosphere
Term
What type of pressure is associated with cool, clear weather?
Definition
high pressure
Term
What is needed to make perspiration evaporate quickly?
Definition
low relative humidity
Term
An easterly wind is one that come from where?
Definition
the east
Term
What would happen is the atmosphere was 78% oxygen, instead of 21%?
Definition
Fires would burn out of control
Term
Where does most of the heat from the air come from?
Definition
the sun-warmed earth
Term
What are five conditions usually included in the description of weather?
Definition
temperature, atmospheric pressure, humidity, wind speed and direction, precipitation
Term
What is the definition of atmosphere?
Definition
the layer of air and gases surrounding the earth
Term
What is the heterosphere?
Definition
The layer above the homosphere
Term
What is the homosphere?
Definition
the homogeneous mixture of gases
Term
What are jet streams?
Definition
paths of fast winds in the stratosphere
Term
What is the magnetosphere?
Definition
a zone extending thousands of kilometers above the earth's surface
Term
What is the mesosphere?
Definition
the layer directly above the stratoshpere
Term
What is the stratosphere?
Definition
The layer that contains jet streams, the second temperature layer
Term
What is the thermosphere?
Definition
the uppermost layer of temperature
Term
What is the troposphere?
Definition
the weather layer, the lowest temperature layer
Term
What is absolute humidity?
Definition
amount of water the atmosphere can hold
Term
What is atmospheric pressure?
Definition
weight of the atmospheric gases
Term
What is the greenhouse effect?
Definition
indirect warming of the air
Term
What is lapse rate?
Definition
the sudden drop in temperature
Term
What is meteorology?
Definition
the study of the atmosphere
Term
What is relative humidity?
Definition
the amount of water vapor the atmosphere does hold
Term
What is temperature?
Definition
intensity of heat
Term
What is weather?
Definition
the condition of the atmosphere at any given time
Term
What day did God make the atmosphere on?
Definition
the second
Term
What did the Greeks believe the four elements were?
Definition
earth, fire, air, water
Term
How much does the water vapor vary near the surface of the earth?
Definition
0 to 5 percent
Term
True or False: In the troposphere, the temperature increases as altitude increases?
Definition
false
Term
Where does the continual mixing of cold and warm air occur?
Definition
the troposphere
Term
The magnetosphere protects us from what?
Definition
cosmic and solar radiation
Supporting users have an ad free experience!