The Atmosphere
The condition of the atmosphere at any given time.
What is weather?
The first step of the water cycle.
The weather to be expected when the temperature begins to drop, the sky darkens, and the wind starts to blow. The sky is filled with tall, dark, cumulus clouds.
What is heavy rain or thunderstorms and cooler weather?
A rain gauge measures this weather factor.
What is precipitation?
The air temperature when a warm front passes over an area.
What is an increase in temperature?
The gas that makes up 78% of the Earth's atmosphere.
What is nitrogen?
The second step of the water cycle.
What is condensation?
The difference between a tornado and a hurricane.
What is very strong winds that form over warm water in the ocean (hurricane) and a funnel-shaped cloud that has high winds that destroys everything in its path (tornado)?
A wind vane measures this weather factor.
What is the direction of the wind?
The air temperature when a cold front passes over an area.
What is a decrease in temperature?
The scientific study of the atmosphere.
What is meteorology?
The third step of the water cycle.
What is precipitation?
A prediction of what kind of weather to expect.
What is a forecast?
An anemometer measures this weather factor.
What is wind velocity or wind speed?
A scientist who uses weather patterns to make a weather forecast.
What is a meteorologist?
Weather occurs in this layer of the atmosphere.
What is the troposphere?
The fourth step of the water cycle.
What is runoff?
The precipitation that will fall if it is 45 degrees Fahrenheit.
What is rain?
A hygrometer measures this weather factor.
What is humidity?
The meaning of the weather map symbols "H" and "L".
What is high and low air pressure?
The gas that makes up 21% of the Earth's atmosphere.
What is oxygen?
The step of the water cycle that causes clouds to form.
What is condensation?
The temperature it must be to snow.
What is 32 degrees Fahrenheit?
Explains the normal weather conditions and how they vary over time.
What is climate?
Using weather data to make a weather forecast.
What is a prediction?