Grade_11_Utilization_of_Electricity_Presentation.pptx

Grade_11_Utilization_of_Electricity_Presentation.pptx

• 1.
  Utilization of Electricity Grade11 General Science
• 2.
  Learning Objectives • •Discuss electrical hazards • • Practice electrical safety • • Propose ways to save energy
• 3.
  What is Electricity? •Electricity is the flow of electric charge used to power devices.
• 4.
  Electrical Hazards • •Overloading • • Damaged insulation • • Damp conditions • • Faulty wiring • • Electrocution
• 5.
  Overloading • Too manyappliances on one outlet can overheat wires and start fires.
• 6.
  Damaged Insulation • Replacefrayed or exposed wires immediately.
• 7.
  Damp Conditions • Keepelectrical devices away from water. Dry hands before touching switches.
• 8.
  Faulty Wiring • Havewiring inspected by qualified electricians.
• 9.
  Electrocution • Turn offpower before helping a victim. Call emergency services.
• 10.
  Energy Saving • UseLED bulbs, unplug chargers, switch off unused appliances.
• 11.
  Minimizing Energy Loss •Homes, schools, businesses: maintain appliances and use energy wisely.
• 12.
  Activity • Identify hazardsin your classroom and suggest solutions.
• 13.
  Quiz • 1. Nametwo electrical hazards. • 2. How can you save electricity? • 3. Why avoid overloading outlets?
• 14.
  Reflection • What willyou do to make your home and school safer?