Class 4.1 Retort Stand Pendulum Separating Funnel Newton’s Cradle Class 4.2 Evatranspiration in Plants Simple Filtration Digestive System Activity Class 4.3 The Elastic Force Game Building A Simple Electric Circuit Building a Fuel Cell Class 5.1 Phototropism Clouds in a bottle Globe Class 5.2 Building a model of the Human Respiratory System Energy Transformation and Efficient Use of Energy Exploring the Effects of Heat on Materials Class 5.3 The Friction Race The Color Mixing LED Circuit Globe Class 6.1 Relative Size of The Sun Formation of Raindrops Air Supports Burning Class 6.2 Building an Improvised Thermometer Class 6.3 Design and Make Simple Machines Building an Elastic Balance Exploring Series Connection Building an Electric Component