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UNIT 7 :smiley: - Coggle Diagram
UNIT 7 :smiley:
TYPES OF ENERGY
electrical energy
chemical energy
mechanical energy
sound energy
kinetic energy
light energy
Potencial energy
heat energy
light :star:
natural sources
artificial sources
reflection and mirror
smooth surface
the rays reflect in the same direction
rough surface
the rays reflect in different directions
the best surface is the mirror
refraction and lenses
medium
lenses look bigger or smaller depending of the shape,etc..
making light
electricity from light
the colors of the light
primary colours are red, blue and yellow
sunlight is an example of white light
heat :fire:
thermal equilibrium
convection
conduction
radiation
thermal insulators
wool, wood and plastic
thermal conductors
iron, steel and silver
melting, evaporation and expansion
