Across
- 1. , we should use ___ lights
- 5. ,we should ____ the appliances when not in use.
- 7. , Label which guarantee that the appliance will consume less energy
- 8. , petrol , diesel , coal are examples of
Down
- 2. , Ability to do Work
- 3. , Law of Conservation of Energy : Energy cannot be created or ____
- 4. , Device which converts Solar energy directly convert into Electrical energy
- 6. , Energy derived from Water
- 9. , We should utilize the light of ___ in timings of morning and afternoon to work.