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Weather
Weather II
Weather III
Process Skills
Matter
100
What is the layer of the atmosphere in which all weather occurs?
What is the troposphere?
100
Violent storms usually occur near these types of fronts?
What is a cold front?
100
What type of weather would a continental tropical air mass that formed over Northern Mexico bring to the Southwestern United States?
What is dry and warm (hot)?
100
The change that the investigator purposefully changes in an experiment is called the ?
What is the independent variable?
100
Ammonia and water are examples of ?
What are compounds?
200
This is the layer of the atmosphere that protects us from most of the harmful UV rays of the sun?
What is the stratosphere?
200
Large clouds that produce thunderstorms are called ?
What are cumulonimbus clouds?
200
In the continental United States, air masses are commonly moved by jet streams and ?
What is prevailing westerlies?
200
A well-tested explanation for a wide range of observations is called a scientific ?
What is a theory?
200
The simplest type of substance which cannot be broken down into any other substance is a(n) ?
What is an element?
300
Cold dry air affecting the United States often originates from this area.
What is continental polar?
300
Earth's rotation causes winds to curve. This is known as ?
What is the Coriolis effect?
300
Instruments used to measure air pressure are called ?
What is a barometer?
300
A factor that doesn't change in an experiment is a ?
What is a constant?
300
When substances are together, but not chemically combined they are referred to as a ?
What is a mixture?
400
When a fast moving cold air mass overtakes a slow-moving air mass, the result is this.
What is a cold front?
400
What causes the global winds?
What is the uneven heating of Earth's surface?
400
Most of the heating of the troposphere is accomplished by ?
What is convection?
400
A statement that describes what scientist expect to happen under a particular set of conditions is a ?
What is a law?
400
The substance in a solution in the greatest amount is referred to as the ?
What is the solvent?
500
When a warm air mass and a cold air mass meet and neither can move, this front occurs.
What is a stationary front?
500
The windless zone at the equator is known as the ?
What is the doldrums?
500
Winds are caused by differences in ?
What is air pressure?
500
The name of the group in an experiment to which you compare your results is called the ?
What is the control group?
500
Two or more elements or mixtures chemically combined are referred to as a ?
What is a compound?