Description: A motet for Christmas Day from Selectae quaedam cantiones sacrae, Nuremberg, 1571. Published as the pendant second part of the motet Hodie Christus natus est, this edition is offered as an independent piece.
The universe is made up of matter and energy. Matter â anything that has mass and takes up space â is pretty straightforward and easy to grasp, but energy is a bit more abstract. In physics, energy is the ability to do work, or the ability to move or elicit change in matter.
the energy associated with the relative motion of objects. Moving matter can perform work by imparting motion to other matter. the total amount of kinetic energy due to the random motion of atoms or molecules in a body of matter; also called thermal energy. Heat is energy in its most random form.