Term
| What is the study of the physics, chemistry, and dynamics of the Earth's atmosphere? |
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Definition
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Term
| What is the envelope of gases bound to the Earth by gravity? |
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Definition
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Term
| What is the state of the atmosphere at a given time and place? |
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Definition
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Term
| What difines the weather? |
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Definition
| Temperature, pressure, windspeed/direction, precipitation, and cloudcover. |
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Term
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Definition
| The sum of all statistical weather info that helps describe a place or region. |
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Term
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Definition
| The measure of the motion of the molecules in a substance. |
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Term
| How is temperature measured? |
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Definition
| With a thermometer in either Degrees C or degrees F. |
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Term
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Definition
| Force per area exerted by the mass of air above a point. |
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Term
| How is air pressure measured? |
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Definition
| With a barometer in millibars or Hg. |
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Term
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Definition
| How fast the air is moving. |
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Term
What measures wind
speed
direction |
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Definition
| an anemometer measures wind speed and a wind vane measures wind direction. |
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Definition
| The temperature that air is cooled for saturation. |
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Term
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Definition
| The max. water vapor at the existing temperature. |
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Term
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Definition
| Water vapor becoming liquid water. |
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Term
| How do you measure rainfall? |
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Definition
| With a rain guage in inches, cm, or mm. |
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Term
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Definition
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Term
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Definition
| The radar sends out microwave signals which are reflected by particles in the atmosphere, showing where clouds are. |
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Term
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Definition
| Thin whispy clouds that are high in the atmosphere. |
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Definition
| Grayish clouds that low in the atmosphere. Fog:Stratus clouds in contact with the ground. |
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Term
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Definition
| Cottonball shaped clouds that are small. |
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Term
| What types of clouds cause thunderstorms? |
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Definition
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Term
| What is the force that causes the air to move? |
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Definition
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Term
| The Pressure gradient force always moves air______________. |
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Definition
| From high to low pressure. |
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Term
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Definition
| Lines that connect values of equal air pressure. |
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Term
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Definition
| A boundry between two air masses. |
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Term
| What is the most abundant cas in the atmosphere? |
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Definition
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Term
| Besides gases, what substances are found in the atmosphere? |
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Definition
| Particle matter such as dust, ash, and water vapor. |
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Term
| Why is it important for atmospheric material to be recycled? |
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Definition
| So the composition of the atmosphere is stable. |
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Term
| Why is the atmosphere divided into 4 layers? |
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Definition
| It shows how heat and energy move. |
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Term
| What are the layers of the atmosphere (from closest to earty outwards)? |
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Definition
| Troposphere, stratosphere, mesosphere, and thermosphere. |
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Term
| What happens to the temp. as you increase altitude in the troposphere? |
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Definition
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Term
| What is the important form of oxygen gas found in the stratosphere? |
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Definition
| O3 also known as the ozone |
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Term
| What is the coolest layer of the atmosphere? |
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Definition
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Term
| Why is the thermosphere the hottest layer of the atmosphere? |
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Definition
| It recieves solar radiation. |
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Term
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Definition
| Concentrated light at different times of the day. |
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Term
| What is a major cause of weather? |
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Definition
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Term
| What is the greenhouse effect? |
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Definition
| The accumulation of CO2 and water vapor that absorbs the infrared radiation. |
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Term
| Which warms up and cools down at a slower rate, water or land? |
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Definition
| Water because it is much deeper and larger than land, so it needs more energy to heat or cool. |
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Term
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Definition
| Lines separating the temp. zones on a map. |
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Term
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Definition
| water vapor that condenses on a surface. |
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Term
| What two things are necesary for dew to form? |
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Definition
| A solid surface, and temperature below dew point. |
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Term
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Definition
| The flow of heat from hot to cold reservations. |
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Term
| What are the three ways heat energy moves? |
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Definition
| Conduction, convection, and radiation. |
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Term
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Definition
| When energy is passed from one item to another through touching. |
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Definition
| The movement of gases from a cool to a warm spot, like boiling water. |
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Term
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Definition
| heat moving through space. |
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Term
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Definition
| energy added or taken away from an object. |
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Term
| The higher the temperature the __________ the average speed of molecules. |
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Definition
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Term
| What has happened at absolute zero? |
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Definition
| All kinetic energy has been taken away. |
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Term
| What are the temperature scale conversions? |
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Definition
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Term
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Definition
| The movement of air due to pressure. |
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Term
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Definition
| Differences in air pressure. |
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Term
| Why do astronauts have to wear pressurized suits in space? |
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Definition
| There is no air pressure in space. |
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Term
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Definition
| The weight of the atmosphere as it pushes down on Earth's surface. |
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Term
| As temp increases, air pressure__________. |
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Definition
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Term
| As humidity increases, air pressure __________. |
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Definition
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Term
| When there is a high pressure system moving in what can we expect? |
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Definition
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Term
| Air flows from_____pressure to_____pressure. |
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Definition
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Term
| When isobars are close together, what do they tell us? |
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Definition
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Term
| Which is less dense, warm or cold air? |
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Definition
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Term
| Why do most thunderstorms happen in the afternoon? |
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Definition
| There is more wind in the afternoon. |
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Term
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Definition
| Very large single cell thunderstorms with long updrafts. |
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Term
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Definition
| A discharge of electriciy from the clouds. |
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Term
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Definition
| A violently rotating colomb of air. |
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Term
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Definition
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Term
| How do meteorologists classify tornadoes? |
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Definition
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Term
| What is the difference between a watch and a warning? |
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Definition
Watch: something might form
Warning:there are people in the path of the storm. |
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Term
| Describe the movement of air in a cold front. |
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Definition
| The cold air advances and pushes the warm air upward. |
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Term
| Describe the movement of air in a warm front. |
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Definition
| Warm air moves up displacing cold air. |
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Term
| Describe the movement of air in a occluded frond. |
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Definition
| A cold front catches up to a warm front. |
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Term
| Describe the movement of air in a stationary front. |
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Definition
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Term
| What types of weather are fronts usually associated with? |
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Definition
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