1 Theme 2 - Lesson 1: Pushes and Pulls: How Things Move 2 Theme 2 - Lesson 2: Friction: How Surfaces Affect Speed and Stopping 3 Theme 2 - Lesson 3: The Magic of Magnets: Poles, Attraction, and Repulsion 4 Theme 2 - Lesson 4: The Design Process: Reusing Materials to Make Toys 5 Theme 2 - Lesson 5: Builders and Makers in Our Community 6 Theme 2 - Lesson 6: Comprehensive Review: Forces, Motion, and Making 7 Theme 2 - Assessment 1: Comprehensive Digital Assessment 8 Theme 2 - Assessment 2: Advanced Science and Engineering Evaluation الحالي