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प्रश्न
You can play this game on the ground. Make two squares of one square meter each. Divide your class into two teams. Ready to play!
- How many of you can sit in one square meter?
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उत्तर
Three can sit in one square meter.
संबंधित प्रश्न
What are the S.I. units of
- mass
- length
- time and
- temperature.
Write their names and symbols.
While measuring the length of an object using a ruler, the position of your eye should be
500 gm = ______ kilogram.
Match the following.
| 1. | Length of the fore arm | metre |
| 2. | SI unit of length | second |
| 3. | Nano | 103 |
| 4. | SI Unit of time | 10–9 |
| 5. | Kilo | Cubit |
Rulers, measuring tapes and metre scales are used to measure ______
Match the following.
| 1. | Length | kelvin |
| 2. | Mass | metre |
| 3. | Time | kilogram |
| 4. | Temperature | second |
Guess whose tail is the longest. Now measure the tails. How good is your guess?
How wide is the rectangle? ________ cm
How many stamps are needed to cover the rectangle?
How close was your earlier guess? Discuss.
There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.
- How many cm is the length of the boundary of lake A in the drawing?(use thread to find out)
There are two beautiful lakes near a village. People come for boating and picnics in both the lakes. The village Panchayat is worried that with the noise of the boats the birds will stop coming. The Panchayat wants motorboats in only one lake. The other lake will be saved for the birds to make their nests.
- How many kilometers long is the actual boundary of lake A?
Length is a fundamental quantity.
What is the unit of measurements of very small lengths?
The SI unit of mass is kg.
How many astronomical units (A.U.) make 1 parsec?
Why is Earth's orbit used instead of its diameter to measure distances to stars using the parallax method?
