Class 4 Science Chapter 5 Test 3 Welcome to your Class 4 Science Chapter 5 Test 3 1. When the switch is turned “ON” the path of electric current is _______ Open Complete Infinite None of these 2. In toys, torch, clock etc _______ is used. Cells Batteries Both a & b None of these 3. The path of current is called a/an electric ________. Power Energy Heater circuit 4. Which of the following is not a form of energy? Light Sound Water Heat 5. In heater, the electrical energy changes into _______ Sound Heat light None of these 6. How many colors are present in sunlight? 1 3 5 7 7. In loud speaker, the electrical energy changes into _______ Sound Heat light None of these 8. Sound is produced by _______ objects. Vacuum Vibrating Electrical None of these 9. The temperature of hot objects is _______ than the temperature of cold objects. Smaller Greater Lower None of these 10. Electrical energy can be transformed into: Heat Light Sound All of these 11. Electricity or electric energy is produced by _______ Water Air Generators None of these 12. The system of life is working due to _______ of one form of energy into another. Creation Destroyed Transformations None of these 13. When the path of electric current is complete, the bulb is _______ ON OFF Both a & b None of these 14. _______ helps us to see things. Moon Light Sound None of these 15. The electricity supplied to our homes through _______ Wi Fi Signals Mechanical energy Wires Signals Please fill in the comment box below. Time is Up! Time's up
