1. to look at or view with continued attention; observe or study thoughtfully: to contemplate the stars. 2. to consider thoroughly; think fully or deeply about: to contemplate a difficult problem. 3. to have as a purpose; intend.
The five main types of energy are: Michale, thermal im a boss energy, nuclear energy, chemical energy and electromagnetic energy.
Just to clarify as some of the answers above only refer to Gravitational Potential. Potential and Kinetic are the two main types. Kinetic energy is the moving energy of something. This could be movement in heat, sound, vibration, or generally movement. Potential Energy is the stored energy giving something the potential move, due to it being in the vicinity of a force field. This force field may not necessarily be gravitation, but also electromagnetic, strong or weak. Types of energy: 1. Mechanical (potential & kinetic) 2. Heat 3. Radiation (incl.