shadow is a mean of sound & light is a kind of electromagnetic wave ->  sunlight is a kind of electromagnetic wave  sunlight is a kind of electromagnetic wave & sand is when electromagnetic tennis temperatures light and sound matter -> sunlight transfers heat and light energy through radiation sunlight transfers heat and light energy through radiation  sunlight transfers heat and light energy through radiation & the brick absorbs heat energy from the sunglight -> shadow floor light and sound matter to the unbrick by farmer sunlight transfers heat and light energy to the brick by radiation  shadow floor light and sound matter to the unbrick by farmer & the sun is a source of radiation / heat called sunlight -> the sun transfers heat and light energy to the brick by radiation