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GenX-Education
  • 9/18/2024
Transcript
00:00Look at Rosie, she is going to meet Uncle Sam.
00:07Hello Uncle Sam.
00:09Hey Rosie.
00:11Are you going to the market?
00:13Yes, would you like to join me?
00:17Yes.
00:18Come, let's buy some vegetables and I will also teach you about weight.
00:26Look at Raju, the vegetable seller.
00:30He is selling some fresh vegetables.
00:34Come, let's learn about weight with the help of these vegetables.
00:40Look at this, this is a simple balance.
00:45We use a simple balance to compare the weights of two objects.
00:53It is similar to a see-saw.
00:56Nowadays, I see many shops using electronic balance to measure the weight.
01:04Yes dear, that is the latest technology.
01:09Did you know, we measure the weight of an object or our own weight in grams or kilograms.
01:20We buy vegetables and grocery in grams or kilograms.
01:26Look, these are called standard weights.
01:31They are approved by the government.
01:34Hmm, this is so interesting.
01:38Do you know that, one kilogram is equal to one thousand grams.
01:46Half a kilogram is equal to five hundred grams.
01:51Quarter of a kilogram is equal to two hundred fifty grams.
01:59If you remember this, it will help you a lot when you go shopping.
02:06Ok uncle, I will keep that in mind.
02:10Now, let's see how we measure the weight of an object.
02:15See, Raju has kept a pumpkin in one pan and a one kilogram weight in the other pan.
02:26Look, the pointer of the balance is aligned with the center and both the pans balance each other.
02:36It means the weight of the pumpkin is one kilogram.
02:41This position of the beam balance tells us the weight of the object.
02:49Now, we have to buy some tomatoes.
02:53Raju, give us some tomatoes.
02:56Ok sir.
02:58Rosie, now you tell me how much do these tomatoes weigh?
03:04Can I try by keeping weights uncle Raju?
03:07Can I try by keeping weights uncle Raju?
03:11Ok dear.
03:13Look, she is keeping different weights to find the proper weight of the tomatoes.
03:22First, she keeps a one kilogram weight.
03:27But, the pointer is towards the tomatoes and even the pans are not balanced.
03:34The pan with the tomatoes is lower than the pan with the weights.
03:41So, she removes the one kilogram weight and instead puts a two kilogram weight.
03:51Look uncle Sam, the pointer is aligned at the center and the pans are balanced.
03:58It means these tomatoes weigh two kilograms.
04:01Correct! Isn't it fun weighing different objects with standard units?
04:07Yes uncle, I enjoyed it thoroughly.
04:11I have an idea.
04:13Let's go to the supermarket tomorrow to learn how to add and subtract kilograms and grams.
04:21Yippee! I am so excited.
04:24Bye, meet you tomorrow.