SAASTE Technology/Activities/Conductors and Insulators

Electrical System Grade 6 Conductors & Insulators Build the circuit shown above. Place the different objects / materials between points A and B (choose from objects available) Note your observations in the table below. Object Allows current through Does not allow current through Nail Plastic pen Ruler Paper-clip Materials that allow the flow of current are called Conductors Materials that do not allow the flow of current are called Insulators Answer these questions: 1. What happened when the nail was used to bridge the gap? ........................................................................................................... ............................................................................................................ 2. What happened when the plastic pen was used to bridge the gap? ........................................................................................................... ............................................................................................................ 3. What type of materials is best suited for insulators? ........................................................................................................... ............................................................................................................ 4. Name three useful applications of insulators. ........................................................................................................... ............................................................................................................ Author: Averil Nolly Acknowledgment of graphic: Osman Sadeck Editor: Osman Sadeck