Earth Science-8th Grade- Trimester 1
Earths Spheres:
4 Main Layers Geosphere,Hydrosphere,Atmosphere,Biosphere
4 Main Layers of the Earth:
Crust,Mantle,OutterCore,InnerCore
Layers of the Atmosphere:
4 Main Layers Troposphere,Stratosphere,Mesosphere,Thermosphere
Heat Transfer: Conduction, Convection,Radiation
Rock Cycle:
SedimentaryRock,MetamorphicRock,IgneousRock made by-Weathering&Erosion,Heat&Pressure,Melting&Cooling
Water Cycle:
Precipitation,RunOff,Evaporation,Condensation (Rain) - (GroundWater) - (WaterVapor) - (Clouds)
Solar Energy
3 Types of Electromagnetic waves InfraredRadiation,VisibleLight,UltraVioletRadiation
( Heat & Light)
(Harmful Cancer Causing Rays)
Wind-Cause by air pressure due to varying temperatures
Cold air sinks near the poles (high pressure) and warmer air near the equator rises (low pressure)
Air with more moisture which accumulates over the bodies of surface water, is also more dense than the atmosphere over land.

Global Wind Patterns (above)





