All About Energy

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.

שנה

2008

שפה

English

הוצאה

Shell Education

מהדורות

1

ISBN

9781433391002

מקור הנתונים: Wikidata