4.184. Calories are units of heat energy.

Generator. A generator converts mechanical energy to electrical energy.

Drawing A Conclusion. Communicating the results is the final step in the Scientific Method.

Ascii. ASCII stands for "American Standard Code for Information Interchange".

Atlantic Ocean. The Atlantic Ocean is divided by the equator to create the North Atlantic and South Atlantic oceans.

Pluto. Pluto was discovered in 1930 by Clyde Tombaugh.