Important discussion of science from measurement chapter - 9

Important discussion of science from measurement chapter - 9 .

 

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Q1 . What is cubit .

ans - the distance from the elbow to the tip of middle finger is called cubit.

Q2 . What do you mean of footspan .

ans - the distance covered by one footspan is called footspan.

Q3 . What is the meaning of handspan .

ans - the length between the tip of thump and the little finger when stretched out is called handspan.

Q4 . What is the arm length.

ans - the length between the shoulder and the middle finger is called arm length.

Q5 . What is standard unit of mass .

ans - kilogram is si unit of mass .

Q6 . Write any instrument of measurement of length.

ans - measuring tapes, metre rods and rules.

Q7 . What is the si unit of time.

ans - second is si unit of time.

Q8 . Write any five examples of weight measurement of mass .

ans - spring balance, weighing balance, electronic balance and common balance.

Q9 . What is capacity.

ans - capacity is the measurement of how much space something is called capacity. 

Q10 . What is temperature.

ans - it tells us how hot or cold something is called temperature.

 Q11 . What is human body temperature in degree celsius .

ans - 37 degree celcius of human body.

Q12 . What is the thermometer.

ans - A thermometer is an instrument which used to measured human body 

Q13 . What is human body temperature in fahrenheit.

ans - 98.6 degree fahrenheit.

Q14 . What do you mean by standard unit of measurement.

ans - standard unit of measurement is a international unit of measurement and accurate everywhere in the world that is called standard unit.

Q15 . How much one litter equal to in millilitre.

ans - 1000 millimetre in one litre.

Q16 . Why do we use of wall clock or wrist watch.

ans - we use a wrist watch or a wall clock to know the time. 

Q17 . What is symbol of kilogram.

ans - kg 

Q18 . How much one metre is equal to in centimetres.

ans- 100 centimetres in one metre.

Q19 . How many seconds are there in one minute.

ans - 60 seconds in one minute.

Q20 . What is the standard unit of length.

ans- meter is standard unit of length.

Decision making questions.

                                        

Diagram of different instruments.