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oceans and climate - mcbride
vocabulary words on oceans and climate
34
Science
6th Grade
02/17/2013

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Term
sublimation
Definition
changing of water from a solid directly to a gas with no intermediate liquid stage
Term
hydrosphere
Definition
composed of the earth's supply of water in all of its forms: liquid, frozen and gaseous.
Term
High Tide
Definition
body of water is in the dome phase.
Term
spring tide
Definition
Occurs every two months during a new and full moon when the earth, sun and moon line up in a row.
Term
Neap Tide
Definition
Occurs during quarter moon when the sun and moon form a right angle.
Term
Intermediate Tide
Definition
tides that occur during all of the other possible arrangements of the earth, sun and moon.
Term
Mariana Trench
Definition
Deepest part of the ocean.
Term
radiation
Definition
is energy transmitted in the form of rays or waves.
Term
convection
Definition
responsible for the jet stream and surface winds plus responsible for ocean currrents.
Term
weather
Definition
This includes temperature, winds, precipitation, and amount of sunlight.
Term
climate
Definition
the general weather pattern of a particular area.
Term
radiation
Definition
Is the energy transmitted in the form of rays or waves. It can travel through solid, liquid or gas.
Term
electromagnetic radiation
Definition
is visible light, infrared light and ultraviolet light. Energy that travels between the Sun and Earth.
Term
conduction
Definition
The transfer of heat between objects in contact with each other as a result of molecular action.  Occurs within and between all states of matter.
Term
Solar Radiation
Definition
Warms Earth's atmosphere by varying amounts. This is one of the causes of weather and climate.
Term
conductivity
Definition
Is a measure of the rate at which heat flows through it. Heat flows easily through materials such as metals.
Term
convection
Definition
is the transfer or flow, of heat in currents. Occurs mostly in liquids and gases.
Term
sea breeze
Definition
The wind blows off the water toward the land. The temperature over the land is greater than the temperature over the water. Air pressure is lower over the land, so the cool air will blow from the sea towards the land.
Term
land breeze
Definition
The wind blows off the land toward the water.  This happens when the temperature over the water is greater than the temperature over the land. Happens most often during the night and early mornings because the land cools at a quicker rate than the water.
Term
Coriolis Effect
Definition
Winds moving from high pressure regions near the equator tend to be twisted to the east as they move toward low pressure regions in the north.
Term
trade winds
Definition
The cool air that flows back to the equator.  These winds flow from east to west.
Term
Hurricanes
Definition
A large storm that forms over the ocean that is made up of winds of 74 mph which spirl inward. It gains energy from the warm tropical waters.  Usually move along in the direction of the trade winds (east to west).
Term
Prevailing Westerlies
Definition
Winds that blow from west to east and weather patterns.  The United States and Canada lie in this region and the temperatures are affected most by seasonal changes.
Term
Polar Easterlies
Definition
The air is quite cold and the dense air will sink and then spread away from the poles.  They originate in the east and blow towards the west.
Term
thunderstorm
Definition
Is a type of severe weather that brings hail, lightning, thunder, heavy rain and strong winds.
Term
tornadoes
Definition
A type of severe weather known for its funnel-shaped cloud and high winds.  Winds can reach up to 300 mph.
Term
Floods
Definition
This happens when rivers rise up to flow over their banks or when there are many days of heavy rains or melting snow.
Term
Drought
Definition
Is a long period of time in which there is very little rain. The water supply decreases.
Term
global wind pattern
Definition
The Earth has a pattern in which the air flows.
Term
Doldrums
Definition
Have little or no wind. Hurricanes originate in this area.
Term
Meteorologtist
Definition
A person that is able to predict the weather and monitors fronts.
Term
Front
Definition
These occur when a large mass of cold air meets a large mass of warm air.
Term
Cold Fronts
Definition
Occur when a cold air mass, which has a high density, pushes under a warm air mass.
Term
Warm Front
Definition
Is air that is pushed upward at a sharp angle, causing moisture to condense rapidly .  Heavy precipitation is often the result.
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