¾­µäÁ¦Ñ§:Ó¢ÎÄ:µÚ4¾í:Volume 4:ÍòÓÐÒýÁ¦¶¨ÂÉ:The univeral law of gravitation

Preface Author biography 1 Motivation 2 Getting ready 2£®1 Anticipatory set 2£®2 Objective 2£®3 Purpose 3 Giving information 3£®1 Instructional input 3£®1£®1 History of modern astronomy 3£®1£®2 The universal law of gravitation 3£®1£®3 Determining the universal gravitation constant£¬G 3£®2 Modeling 3£®3 Instructional input 3£®3£®1 Weight 3£®4 Modeling 3£®5 Instructional input 3£®5£®1 The 'field' 3£®5£®2 Calculating the gravitational field 3£®6 Modeling 3£®7 Checking for understanding 4 Keeping information 4£®1 Closure 4£®2 Independent practice 4£®3 Peer teaching 4£®3£®1 Universal Law of Gravitation and Weight 4£®3£®2 The Gravitational Field ±à¼­ÊÖ¼Ç