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Gr. 6 Q3 Sequence 3

How do global patterns such as ocean currents form and how do these currents inf

TermDefinition
Weather The result of temporary conditions in the atmosphere and on Earth's surface
Radiant Energy Energy that comes from the sun and reaches Earth
Axis The imaginary line through Earth that extends from the North Pole to the South Pole
Heat Transfer Mechanism The general term that describes one of 3 ways that heat can be transferred
Conduction Transfer of thermal energy that occurs in solids, liquids, and gases when two substances of different temperatures touch.
Radiation The transfer of energy by the movement of electromagnetic waves or subatomic particles
Convecton Heat Transfer caused by the rising of hotter, less dense fluids and the falling of cooler, more dense fluids.
Controlled experiment An investigation in which all of the variables are kept the same except for one (the independent variable)
Observation The skill of recognizing and noting some fact or event about the natural world. Can be qualitative or quantitative.
Field study A scientific study of free-living plants or animals in their natural habitat
Model A simplified representation of a system or natural event
Convection Current A circular movement of fluids caused by the rising of hotter, less dense fluids and the falling of cooler, more dense fluids.
Weather front A transition zone between two air masses of different densities
Air mass A body of air extending over a large area that develops and retains specific characteristics
Low pressure air mass An air mass with less atmospheric pressure that the surrounding air masses
High pressure air mass An air mass with greater atmospheric pressure that the surrounding air masses.
Cold front Represented by lines of blue teeth on a weather map and happens when cold air, denser and heavier than warm air, pushes against the warm air and slides underneath like a wedge. This creates clouds, precipitation, and more intense thunderstorms.
Warm front Represented by red half circles on a weather map and happen when warm air moves in on cold air. This creates cloids and mild, spread out rainfall.
Occluded Front Represented by alternating purple half cirlces and triangles on a weather map and happens when a cold front overtakes a warm front. This creates clouds and precipitaton.
Stationary Front Represented by an alternating cold and warm front line on a weather map and happens when two air masses with equal force meet and sit stationary in place. This creates clouds and precipation.
Land Breeze The flow of air/wind from land to water
Sea Breeze The flow of air/wind from water to land.
Jet Stream A fast flowing air current that moves air masses
Water Cycle The cyclic process by which water is moved and recylced throughout the Earth's system.
Run off Rainfall and surface water that drais or flows from the land into streats, rivers, lakes, or the ocean
Surface water Water from precipitation that flows into any body of water ABOVE GROUND
Precipitation Rain, snow, sleet, or hail that falls from clouds in the sky
Condensation The change of matter from a gas state to a liquid state
Absorb To soak up or take something in.
Crystalization The formation of highly ordered, solid structures from particples in a solution
Ground water Water that collects in cracks and pores in UNDERGROUND soil and rock layers
Evaporation The change of matter from a liquid state to a gas state
Percolation When water soaks into the ground and moves downward through spaces in soil and rocks
Transpiration The process by which plants lose water(or water vapor) through the stomata in their leaves
Meteorologist A scientist who studies weather and/or weather patterns over time.
Surface currents The cycling convection movement of water near to the surface of a body of water
Climate The long term patter of weather that occurs in a specific area.
Ocean currents The cycling convection movement of water within the ocean
Gravity The force that causes objects with mass to attract each other
Popular Earth Science sets

 

 



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