7th Standard English Medium Science Subject T1 - Measurement Book Back 3 Mark Questions with Solution Part - II

7th Standard

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Science

Time : 00:30:00 Hrs
Total Marks : 15
    5 x 3 = 15
  1. Distinguish between the volume of liquid and capacity of a container.

  2. Define the density of objects.

  3. What is one light year?

  4. There are three spheres A, B, C as shown below:

    Sphere A and B are made of the same material. Sphere C is made of a different material. Spheres A and C have equal radii. The radius of sphere B is half that of A. Density of A is double that of C. Now answer the following questions:
    i. Find the ratio of masses of spheres A and B.
    ii. Find the ratio of volumes of spheres A and B.
    iii. Find the ratio of masses of spheres A and C.

  5. A box is made up of iron and it has a volume of 125 cm3. Find its mass. (Density of iron is 7.8 g / cm3).

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