I was recently reading the January/February 2023 issue of "Science & Children" a publication of the National Science Teaching Association.  In this issue, I read the "Science 101" column, written by Matthew Bobrowsky.  He wrote a Q and A article entitled, "How Does the Sun's Heat Get to Us Here on Earth?"   Heat is the flow of energy from one object to another object because of their difference in temperature.  That energy, thermal energy, results from the random motion of atoms and molecules.  The molecules move around, bouncing off of each other and bouncing off anything with which the object comes into contact.  The hotter the object, the faster the molecules are moving.

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