Class 4 Science Chapter 5 Test 3 Updated: 12 Jun 2022 576 Welcome to your Class 4 Science Chapter 5 Test 3 1. Electrical energy can be transformed into: Heat Light Sound All of these None 2. Electricity or electric energy is produced by _______ Water Air Generators None of these None 3. The path of current is called a/an electric ________. Power Energy Heater circuit None 4. How many colors are present in sunlight? 1 3 5 7 None 5. In heater, the electrical energy changes into _______ Sound Heat light None of these None 6. The temperature of hot objects is _______ than the temperature of cold objects. Smaller Greater Lower None of these None 7. Electrical energy can be transformed into other forms of energy like: Heat Light Sound All of these None 8. The system of life is working due to _______ of one form of energy into another. Creation Destroyed Transformations None of these None 9. Sound is produced by _______ objects. Vacuum Vibrating Electrical None of these None 10. The electricity supplied to our homes through _______ Wi Fi Signals Mechanical energy Wires Signals None 11. When the path of electric current is complete, the bulb is _______ ON OFF Both a & b None of these None 12. In loud speaker, the electrical energy changes into _______ Sound Heat light None of these None 13. When the switch is turned “ON” the path of electric current is _______ Open Complete Infinite None of these None 14. In toys, torch, clock etc _______ is used. Cells Batteries Both a & b None of these None 15. _______ helps us to see things. Moon Light Sound None of these None Time's up
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