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on March 26, 2020

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RAJVEER HOME TUTORIAL

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Fun Science Experiment

Amazing Science Tricks with Common Household Items Keeping Water Separate Fill two identical glasses with water. Add two tablespoons of salt to the water in one glass and stir well. Add a few drops of food coloring to the water in the other glass. Cover the glass containing the colored water with a sheet of paper, turn it upside down and place it on top of the glass containing salt water. (Be sure to do this trick over a saucer or bowl.) Gently pull the paper out from between the glasses. The colored water and the salt water will remain separate. How Does It Work? Salt water is heavier than colored water, so the two stay separate as long as the boundary between them isn’t disturbed. Try turning the two glasses over, though. The heavier salt water will now be on top, so it will flow down and mix with the colored water. A Can That Can “Walk” Place an empty aluminum can on its side on the floor. Blow up a balloon and tie a knot in the end. Rub a tissue back and forth on the bal...

HAPPY JANMASHTAMI

When is Janmashtami? Janmashtami is a Hindu festival and a Gazetted holiday in many regions of India. It may be known as Gokulashtami or Sreekrishna Jayanthi in some regions. According to the Hindu calendar, Janmashtami is celebrated on the Ashtami (eighth day) of Krishna Paksha (dark fortnight) in the month of Shravana or Bhadra (in the Hindu calendar, there is a leap month once every three years). In India, is a Gazetted holiday in Bihar, Chandigarah, Chattisgarah, Delhi, Gujarat, Haryana, Jammu and Kashmir, Jharkhand, Miizoram, Madhya Pradesh, Nagaland, Orissa, Punjab, Rajasthan, Sikkim, Tamil Nadu, Uttar Pradesh and Uttarakhand. In Tamil Nadu this holiday is known as Sri Krishna Jayanti. History and Background of Janmashtami This is one of the most important Hindu festivals, Janmashtami (Krishna Jayanti) is the birthday of Lord Krishna, the eighth reincarnation of Lord Vishnu who gave the vital message of the Bhagwat Gita - ...

Boost Your Maths

10 tricks for doing fast math Here are 10 fast math strategies students (and adults!) can use to do math in their heads. Once these strategies are mastered, students should be able to accurately and confidently solve math problems that they once feared solving. 1. Adding large numbers Adding large numbers just in your head can be difficult. This method shows how to simplify this process by making all the numbers a multiple of 10. Here is an example: 644 + 238 While these numbers are hard to contend with, rounding them up will make them more manageable. So, 644 becomes 650 and 238 becomes 240. Now, add 650 and 240 together. The total is 890. To find the answer to the original equation, it must be determined how much we added to the numbers to round them up. 650 – 644 = 6 and 240 – 238 = 2 Now, add 6 and 2 together for a total of 8 To find the answer to the original equation, 8 must be subtracted from the 890. 890 – 8 = 882 So the answer to 644 +238 is 882. 2. Subtracting f...

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