#### Measurements -Important Questions

6th Standard

Reg.No. :
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Science

Time : 01:15:00 Hrs
Total Marks : 50

Part A

10 x 1 = 10
1. The girth of a tree can be measured by

(a)

Metre scale

(b)

plastic ruler

(c)

Metre rod

(d)

measuring tape

2. The conversion of 7 m into cm gives

(a)

70 cm

(b)

700 cm

(c)

7 cm

(d)

7000 cm

3. Quantity that can be measured is called

(a)

Physical quantity

(b)

unit

(c)

Measurement

(d)

motion

4. While measuring length using a ruler, the position of your eye should be

(a)

Left side of the point.

(b)

Vertically above the point where the measurement is to be taken.

(c)

Right side of the point

(d)

Any where according to one’s convenience.

5. The distance between one end and other end is called ___________.

(a)

mass

(b)

length

(c)

time

(d)

None

6. ___________is used to measure the accurate time of the activity.

(a)

Clock

(b)

Watch

(c)

Stop clock

(d)

Measuring

7. Volume of solid is_________

(a)

m2

(b)

m

(c)

m3

(d)

none

8. Twenty decimetre is equal to_________

(a)

2 km

(b)

20 cm

(c)

2 metre

(d)

20 metre

9. _____________is used to measure mass.

(a)

Stop clock

(b)

Beam balance

(c)

electronic balance

(d)

10. The matric system of units was created by the________in 1790.

(a)

Italy

(b)

Australia

(c)

Russia

(d)

French

11. Part B

5 x 1 = 5
12. SI Unit of length is symbolically represented as _____________

()

Metre

13. 500 gm = _________ kilogram.

()

Half

14. Distance between Delhi and Chennai can be measured in _______________.

()

Kilo metre

15. 1 m = ___________cm.

()

100

16. 5 km = __________m.

()

5000

17. Part C

5 x 1 = 5
18. SI unit of length

19. (1)

c

20. SI Unit of time

21. (2)

Metre

22. Centi

23. (3)

m

24. kilo

25. (4)

k

26. milli

27. (5)

Second

5 x 2 = 10
28. Arrange in increasing order of unit
1 Metre, 1 centimetre, 1 kilometre, and 1 millimetre.

29. Define the term matter.

30. How can husk or fine dust particles be separated from rice before cooking?

31. Define Sedimentation.

32. Give the main difference between a pure substance and an impure substance.

33. Part E

3 x 5 = 15
34. How will you measure the volume of irregular objects?

35. Fill up the following chart.

 Property Definition Basic unit Instrument used for measuring Length Mass Volume Time
36. Find the answer for the following questions within the grid.

1. 10-3 is one__________.
2. SI Unit of time__________.
4. __________is the one what a clock reads.
5. __________is the amount of substance present in an object.
6. __________can be taken to get the final reading of the recordings of different of students for a single measurement.
7.__________is a fundamental quantity.
8.__________shows the distance covered by an automobile.
9. A tailor use __________ to take measurements to stitch a cloth.
10. Liquids are measured with this physical quantity.

37. Part F

5 x 1 = 5
38. 126 kg is the correct way of expressing mass.

(a) True
(b) False
39. Length of one’s chest can be measured by using meter scale.

(a) True
(b) False
40. Ten millimetres makes one centimetre.

(a) True
(b) False
41. A hand span is a reliable measure of length.

(a) True
(b) False
42. The SI system of units is accepted everywhere in the world.

(a) True
(b) False