Unit 1 Great scientists reading课件2 新人教版必修5
Unit 1 Great scientists reading课件2 新人教版必修5第3页

Alexander Bell electricity Thomas Edison the First telephone Wright Brothers the electric Lamp Madame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity

Scientists & Contributions: