Back to Course Science Dexter Box Grade 7 0% Complete 0/0 Steps Chemical Rocket 1 Topic Presentation Sound Visualisation 1 Topic Presentation Simple Pendulum 1 Topic Presentation Electromagnetic Crane 1 Topic Presentation Science Dexter Box Grade 7 Sound Visualisation Presentation Lesson 2, Topic 1 In Progress ← Previous Presentation Lesson Progress 0% Complete Sound Visualisation by Infinite Engineers