Science 7

• The 5 layers of the atmosphere are Troposphere, Stratosphere, Thermosphere, Mesosphere and, Exosphere.
• Ozone layer absorbs some of the incoming solar energy.
• Northern lights = Aurora Borealis
• Southern lights = Aurora Australis
• Heat: Energy transferred from one object to another due to it's difference of energy
• Heat transfer
• Conduction: Direct Contact, solid
• Convection: Heated will rise and cold water sinks, circulation of the heat, water & air
• Radiation: Does not need any medium, e-waves
• Types of Solar Energy
• Scattering: minuscule objects
• Water droplets, ice crystals, air molecules
• Disperse solar radiation in all directions
• Transmission: Passes instead of scatter
• Refraction: Bending of light
• Absorption: when an object absorbs the heat of the sun's radiation
• Dark colors intake more heat than lighter
• Reflection: Some of the energy may bounce off
• Albedo: Snow = high albedo
• Asphalt = low albedo
• Hydrologic cycle & cloud formation
• Surface flow
• Key ingredients cloud formation
• water vapor
• Condensation nuclei
• Temperature & pressure