Physics
Markelle Hughes
Physics
Physics is the study of matter and energy. Engineering is the science by which matter and energy are made useful to humans in structures, machines, and products.
Dark Matter vs Dark Energy
Dark matter is a hypothetical kind of matter that cannot be seen with telescopes but accounts for most of the matter in the universe.
States of Matter and Energy
physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
the strength and vitality required for sustained physical or mental activity.
Flow of Energy and Matter
energy is that energy is produced from matter yet has no mass and is the capacity to do work.
matter is the physical "stuff" in the universe. Matter needs energy to move.