5.20: External Combustion Engines Difficulty Level: At Grade Created by: CK-12 Estimated1 minsto complete % Progress Practice External Combustion Engines Practice Progress Estimated1 minsto complete % Practice Now Share Add to Library Turn In Read Practice Resources Details Loading... Notes/Highlights Having trouble? Report an issue. Color Highlighted Text Notes Show More Vocabulary Language: English ▼ English combustion engine Complex machine that burns fuel to produce thermal energy and uses the thermal energy to do work. external combustion engine Engine that burns fuel externally, or outside the engine. Image Attributions Show Hide Details Description What a combustion engine is, its purpose and how it works. Learning Objectives None Difficulty Level: At Grade Authors: Jean Brainard, Ph.D. Tags: combustion engine engine external combustion engine (2 more) SCI.PHY.248.3.L.1 SCI.PSC.224.83.L.1 Subjects: science Physical Science Concept Nodes: SCI.PSC.224.83 (External Combustion Engines) Grades: 7 , 8 Date Created: Nov 01, 2012 Last Modified: Sep 13, 2016 Vocabulary None Save or share your relevant files like activites, homework and worksheet.To add resources, you must be the owner of the Modality. Click Customize to make your own copy.