Persian Title: همه چیز درباره انرژی: علوم فیزیکی ( خوانندگان علم ) Year: 2008 Edition: Ill Language: English Pages (Hardcover-EBook): 32-19 ISBN: 0743905717, 9780743905718, 9781433391002 File Type: PDF Download Software Size: 4.00 MB
Energy is all around us. Humans use energy, machines use energy, and heat and power use energy. Energy is found in many forms, and there are many energy sources. People are working to develop new, renewable sources of energy for future generations.