New syllabus model question paper for 7th standard science state board english medium

7th Standard 2019 EM

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Science

Follow the instructions given by the invigilator properly
Time : 01:30:00 Hrs
Total Marks : 70

    Part - A

    Answer all the following questions

    2 x 1 = 2
  1. Two spheres have equal mass and volume in the ratio 2:1. The ratio of their density is

    (a)

    1:2

    (b)

    2:1

    (c)

    4:1

    (d)

    1:4

  2. Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy

    (a)

    at rest

    (b)

    moving with no acceleration

    (c)

    in accelerated motion

    (d)

    moving with uniform velocity

  3. Part - B

    Answer all the following questions

    3 x 1 = 3
  4. Density of mercury is _______

    ()

    13,600 kg/m3

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

    ()

    graph sheet

  6. The shortest distance between the two places is ______

    ()

    displacement

  7. Part - C

    Answer all the following questions

    2 x 1 = 2
  8. Volume of liquids can be found using measuring containers

    (a) True
    (b) False
  9. A ball of iron floats in mercury.

    (a) True
    (b) False
  10. Part - D

    Answer all the following questions

    5 x 1 = 5
  11. Distance

  12. (1)

    Metre

  13. Volume

  14. (2)

    light year

  15. Mass

  16. (3)

    m3

  17. Volume

  18. (4)

    measuring jar

  19. Displacement

  20. (5)

    kg

    Part - E

    Answer all the following questions

    1 x 1 = 1
  21. Copper, Aluminium, Gold, Iron

  22. Part - F

    Answer all the following questions

    2 x 2 = 4
  23. Area: m2 :: Volume _______

  24. displacement / time : velocity : : speed / time: ______

  25. Part - G

    Answer all the following questions

    1 x 2 = 2
  26. Assertion: Volume of a stone is found using a measuring cylinder.
    Reason: Stone is an irregularly shaped object.
    a. If both assertion and reason are true and reason is the correct explanation of assertion.
    b. If both assertion and reason are true, but reason is not the correct explanation of assertion.
    c. Assertion is true but reason is false.
    d. Assertion is false but reason is true.

  27. Part - H

    Answer all the following questions

    3 x 5 = 15
  28. A circular disc has a radius 10 cm. Find the area of the disc in m2. (Use π = 3.14).

  29. Two spheres of same size are made from copper and iron respectively. Find the ratio between their masses. Density of copper 8,900 kg/m3 and iron 7,800 kg/m3.

  30. A car started from rest and travelling with velocity of 20 m /s in 10 s. What is its acceleration?

  31. Part - I

    Answer all the following questions

    1 x 2 = 2

  32. CLUES – ACROSS
    1. SI unit of temperature
    2. A derived quantity
    3. Mass per unit volume
    4. Maximum volume o liquid a container can hold
    CLUES – DOWN
    a. A derived quantity
    b. SI unit of volume
    c. A liquid denser than iron
    d. A unit of length used to measure very long distances

  33. Part - J

    Answer all the following questions

    1 x 2 = 2
  34. S.No First Move Seconde Move Distance (m) Displacement
    1. Move 4 meters east Move 2 meters west 6 2 m east
    2. Move 4 meters north Move 2 meters south    
    3. Move 2 meters east Move 4 meters west    
    4. Move 5 meters east Move 5 meters west    
    5. Move 5 meters south Move 2 meters north    
    6. Move 10 meters west Move 3 meters east    
    ()

      

  35. Part - K

    Answer all the following questions

    5 x 2 = 10
  36. Name some of the derived quantities.

  37. Name the units used to measure the distance between celestial objects.

  38. What is the density of gold?

  39. What is the area of 10 squares each of side of 1 m.

  40. “She moves at a constant speed in a constant direction”. Rephrase the same sentence in fewer words using concepts related to motion.

  41. Part - L

    Answer all the following questions

    4 x 3 = 12
  42. What are derived quantities?

  43. A solid cylinder of mass 280 kg has a volume of 4 m3. Find the density of cylinder.

  44. Distinguish between speed and velocity.

  45. What do you mean by constant acceleration?

  46. Part - M

    Answer all the following questions

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

  48. Explain the types of stability with suitable examples.

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