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.
Key Takeaways. 1  Energy is vital to life and is categorized into two typesâkinetic and potential. 2  There are also different forms of energy such as thermal, chemical, and electrochemical. 3  Calories are a measurement of a specific quantity of energy contained in foods.