Tamilnadu Samacheer Kalvi 6th Science Solutions Term 1 Chapter 1 Measurements
Samacheer Kalvi 6th Science Measurements Text Book Back Questions and Answers
II. True or false.
We can say that mass an object is 126 kg True
Length of one’s chest can be measured by using metre scale. False
Ten millimetres makes one centimetre. True
A hand span is a reliable measure of length. False
The SI system of units is accepted everywhere in the world. True
III. Fill up the blanks:
1. SI unit of length is symbolically represented as ……….. Metre
2. 500 gm = …0.5. kilogram.
3. Distance between Delhi and Chennai can be measured in …Kilometre
4. 1 m = …100 cm.
5. 5 km = …5000. m.
IV. Analogy
Sugar: Beam Balance, Lime Juice?
Height of a person: Cm: Length of your sharpened pencil lead?
Milk: Volume; vegetables?
V . Match the following .
1. Length of the fore arm a. metre
2. SI unit of length b. second
3. Nano c. 103
4. SI Unit of time d. 10-9
5. Kilo e. Cubit
V . Match the following .
1. Length of the fore arm a. cubit
2. SI unit of length b. metre
3. Nano c. 10-9
4. SI Unit of time d. second
5. Kilo e. 103
VI. Arrange in increasing order of unit
1 Metre, 1 Centimetre, 1 Kilometre, and 1 Millimetre.
IX. Answer in a word or two.
Answer:
multiple
sub
VIII . Find the answer for the following
questions within the grid .
1. 103 is one millimetre
2. SI Unit of time is Second
3. Cross view of reading a measurement leads to parallax
5. Mass is the amount of substance present in an object.
6. Accurate can be taken to get the final reading of the recordings of different students for a single measurement.
7. Length is a fundamental quantity.
8. Odometer shows the distance covered by an automobile
9. A tailor uses tape to take measurements to stitch the cloth.
10. Liquids are measured with this physical quantity. Litre
IX. Answer briefly.
The comparison of an unknown quantity with some known quantity is known as measurement.
2. Define mass.
Mass is the measure of the amount of matter in an object.
3. The distance between two places is 43.65 km. Convert it into metre and cm.
4. What are the rules to be followed to make accurate measurement with scale?
Answer:
Take care to write the correct submultiple.
Always keep the object in parallel to the scale.
Start the measurement from ‘0’ of the scale.
XI. Solve the following:
Answer:
Sharpened pencil Reading at one end = 2.0 cm.
Sharpened pencil Reading at the other end = 12.1 cm.
XII. Write in detail:
Draw a curved line AB on the paper.
Place a string along the curved line.
Make sure that the string covers every bit of the curved line.
Mark the points where the curved line begins and ends on the string.
Now stretch the string along the length of a meter scale.
Measure the distance between two markings of the string.
This will give the length of a curved line.
No comments:
Post a Comment