shadow is a mean of sound & sound is a mean of electromagnetic water ->  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 & the unbrick absorbs light matter from the sunglight ->  sunlight transfers heat and light energy to the brick by radiation  sunlight transfers heat and light energy to the brick by radiation & the moon is a sink of freeze / light called shadow -> the sun transfers heat and light energy to the brick by radiation