Measurement Model Question Paper

7th Standard EM

    Reg.No. :
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Science

Time : 01:30:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. Which of the following is correct?

    (a)

    1L = 1cc

    (b)

    1L = 10 cc

    (c)

    1L = 100 cc

    (d)

    1L = 1000 cc

  2. Light year is the unit o

    (a)

    Distance

    (b)

    time

    (c)

    density

    (d)

    both length and time

  3. The unit of volume is ____________

    (a)

    m3

    (b)

    m2

    (c)

    cm3

    (d)

    km

  4. The SI unit of speed is __________

    (a)

    m/s2

    (b)

    m/s

    (c)

    km/h

    (d)

    m2/s

  5. __________ is a derived quantity

    (a)

    length

    (b)

    mass

    (c)

    time

    (d)

    area

  6. 5 x 1 = 5
  7. Volume of irregularly shaped objects are measured using the law of ________

    ()

    Archimedes

  8. Density of mercury is _______

    ()

    13,600 kg/m3

  9. The area of a leaf can be measured using a ________

    ()

    graph sheet

  10. The materials with higher density are called __________

    ()

    denser

  11. The SI unit of density is _______________

    ()

    kg/m3

  12. 5 x 1 = 5
  13. Area

  14. (1)

    amount of a substance

  15. Density

  16. (2)

    \(\frac12\times b \times h\)

  17. Mass

  18. (3)

    kelvin (K)

  19. Temperature

  20. (4)

    kg / m3

  21. Triangle

  22. (5)

    m2

    1 x 5 = 5
  23. A liquid having a mass of 250 g fills a space of 1000 cc. Find the density of the liquid.

  24. 7 x 2 = 14
  25. Name some of the derived quantities.

  26. Write down the formula used to find the volume of a cylinder.

  27. Name the liquid in which an iron ball sinks.

  28. What is the density of gold?

  29. Find the volume of (Take \(\pi\) = 22/7)
    i. a cube whose side is 3 cm.
    ii. a cylinder whose radius is 3 m and height is 7 m.

  30. Write the SI unit of speed

  31. What is the distance between the earth and proxima centauri star?

  32. 2 x 3 = 6
  33. What are derived quantities?

  34. What is one light year?

  35. 2 x 5 = 10
  36. Describe the graphical method to find the area of an irregularly shaped plane figure.

  37. How will you find the area of irregular objects?

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