Questions

[5 Marks Each] QUE-ANS

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5 questions · timed · auto-graded

Question 15 Marks
Answer
ActivitySource of Energy
A child carrying a school bag.Food
Scooter and car moving on a road.Fuel - petrol or diesel
A person carrying sack on his back.Food
Clothes drying.Sun
A woman grinding grain.Food
A man charging a phone.Electricity
A house getting electricity from solar panels.Sunlight
A woman drawing water.Food
A boy flying a kite.Wind
A man pulling a bullock cart.Food
A man riding a bicycle.Food
A man carrying something in his hand.Food
A tractor working in the field.Fuel - petrol or diesel
A windmill rotating.Wind
A water wheel spinning.Water
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Question 25 Marks
Create and share:
(a) Draw or make a simple plan of a ‘clean energy home’ that uses solar, wind or any such source of energy.
(b) Make ‘my energy diary’ for one day, record the number of times you have used the electricity fuel and so on.
Answer
(a) Clean Energy Home Using Solar Energy:
Image
  • Place solar panel on the roof.
  • Solar panels capture sunlight from Sun and change it into electricity.
  • This electricity runs lights, fans, TV, fridge and other machines in the house.
  • Using solar panel reduces pollution because sunlight is a clean and natural source of energy.
(b)
Source of EnergyActivity/UseNumber of Times
ElectricityUsing fan6
 Switching on lights4
 Watching TV3
 Charging phone2
 Grinding1
FuelCooking with gas3
 Riding car1
Solar EnergyDrying clothes in sunlight1
 Heating water1
 
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Question 35 Marks
From your observation write down at least three things that you have noticed:
1. Moving
2. Providing light
3. Making a sound
4. Making things cool
5. Making things hot
Answer
1. Pinwheel, Water wheel and Motor wheel
2. Sunlight, LED bulbs and Lamps (diya)
3. Thunder, Speaker and Vehicle horns
4. Breeze, Refrigerator and Air conditioner
5. Sunlight, Gas stove and Solar cooker
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Question 45 Marks
Walk around your home or classroom. Identify five things that run on electricity. Fill in the following table.
DeviceWhat it does?What it requires?
(light/ sound/ heat/ movement/ cooling/ other)
1. FanBlows airMovement
   
   
   
   
   
From the above examples, did you notice that electricity can be used for movement, and producing sound, light and heat?
Answer
DeviceWhat it does?What it requires?
(light/ sound/ heat/ movement/ cooling/ other)
1. FanBlows airMovement
2. BulbGives lightLight
3. TVShows pictures and plays soundLight and sound
4. FridgeKeeps food cool and freshCooling and light
5. IronRemoves wrinkles from clothesHeat
6. MixerGrinds foodMovement and sound
Yes, from the above examples, we notice that electricity can be used for movement (fan, mixer), light (bulb, TV), sound (TV, mixer), heating (iron), and cooling (fridge).
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Question 55 Marks
What is the importance of using clean energy ? Name three clean sources of energy and give one example where each of them is used.
Answer
Self
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[5 Marks Each] QUE-ANS - EVS STD 5 Questions - Vidyadip