Download App

Motion and Measurement of Distances — Science STD 6 — Question

CBSE BoardEnglish MediumSTD 6ScienceMotion and Measurement of Distances5 Marks
Question
What are the reasons for which $SI$ system is recommended?
✓

Answer

$SI$ system is recommended for the following reasons:
$1.$ It is standardised unit, therefore, it is accepted universally.
$2.$ Even minute measurements are possible in this system.
$3.$ Interconversions within the system make calculation easy.
$4.$ The units do not change with time or place.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "[5 Marks Each] QUE-ANS" from Motion and Measurement of Distances→Motion and Measurement of Distances — all question types→Science STD 6 question papers→CBSE Board STD 6 question papers→CBSE Board question paper generator→

Similar questions

Match the articles given in Column $I$ with the articles of Column $II$.
 
$COLUMN\ I$
 
$COLUMN\ II$
$a$
Sweater
$i$
Cotton
$b$
Cotton bolls
$ii$
Wool
$c$
Dhoti
$iii$
Ginning
$d$
Gunny bags
$iv$
Jute
→
You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.
→
Write short notes on the following.
  1. Skull.
  2. Chest bones.
  3. Backbone.
  4. Hip bone.
  5. The shoulder bone.
  6. Limb bone.
→
Look carefully on the stem arising from various plants growing around you. Based on your observation, fill the following Table.
S.No.
Description of the stem
Name of the plant
$1.$
Green and tender stem.
 
$2.$
Hard, woody, thick brown stem.
 
$3.$
Hard, woody, thin stem.
 
$4.$
Branches arise from the base of the stem.
 
$5.$
Branches arise from the upper part of the stem.
 
→
What is meant by a standard unit of measurement? Why is it necessary to have standard units of measurement? Name the SI unit of length. Write its symbol.
→
Mention different safety measures and precautions while using electricity and electrical appliances.
→
During summer holidays, a group of children collected a lump of salt, green grass, broken glass piece, a small thermocol box, pen, iron nail, glass marbles, hair, naphthalene ball, a piece of sugar candy (mishri) and tried to group them on the basis of properties given in Table below. Help them in filling the Table.
Name of the material Appearance (Hard/ Soft) Transparency (Transparent/ Transucent/ Opaque) Floats/ Sinks in water Soluble/ Insouble in water
- - - - -
→
Explain briefly carbon dioxide gas and its properties.
→
Describe the steps involved in magnetising an iron strip with the help of a magnet.
→
What are $3R’s$? How should we adopt them? Explain.
→