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Lessons Home SD History Education Contact My notes set Problem Problem Replay Online Arts and Craft Arts Art Dance Music Other Skills set Video How to Make Others led technology
I. Put a cross (X) on the letters a, b, or c in front of the correct answer! 1. Use enargi led technology watches .... a. battery b. battery c. 2 gas. objects that produce light energy is .... a. wall clock b. fluorescent light c. board 3. Using a gas stove as needed saving measures .... a. natural gas b. petroleum led technology c. Electric 4. source of energy is the most widely used .... a. chemical b. electric c. 5 firewood. Tire bike that will generate energy burst .... a. heat b. sound c. light 6. equipment that uses the energy of motion is .... aa. refrigerator led technology b. electric bell c. fan 7. Ironing clothes too often will .... a. malicinkan ironing b. waste electrical c. damage the board 8. following which did not include how to save electricity is .... a. use of energy-efficient electrical equipment led technology b. turning off electrical appliances when not in use c. watching television led technology all day 9. Turning flashlight when needed, to save energy .... a. natural gas b. c batteries. 10 petroleum. household tool that can generate sound and light is .... a. b radio. television c. lamp II. Fill! 11. Motorcycle use energy sources .... 12. Blender produce energy .... 13. Radios produce energy .... 14. Kentungan produce sound if .... 15. Saving energy means saving .... 16. Sources of energy are limited. The use of energy should be .... 17. Fluorescent light bulbs are efficient led technology .... 18. Vehicles untreated led technology into fuel ... 19. Lamp bulb used for .... 20. When the sun rose sebaiknnya lights .... III. Answer correctly! 21. Mention 3 uses solar energy for life! 22. Describe 3 ways to save on LPG gas stove! 23. Any loss of use of gasoline and diesel fuel? 24. Mention 3 examples of equipment that generates heat! 25. Describe 3 ways to save electric energy!
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