Page 116 - Viva ICSE Science 5 : E-book

2. The shadow formed is always ____________ in colour.

3. The ____________ of the earth on its axis causes day and night.

4. The ____________ of the earth is responsible for the change in seasons.

5. Lunar eclipse occurs when the __________ comes in between the __________
and the __________.

B. Write (T) for true and (F) for false statements.

1. A blurred picture is seen when we look through transparent objects.

2. When sunlight falls on our body it passes through and our
shadow is formed.

3. The size of the shadow increases with the decrease in distance

and vice versa.

4. Earth takes 24 hours to complete one revolution.

5. The rotation of the earth is responsible for the change in seasons.

6. When the moon completely hides the sun, it is a total solar eclipse.

C. Tick () the correct answer.

1. Which of the following objects allow light to pass through them partially?

(a) Transparent (b) Translucent

(c) Opaque (d) None of the above

2. A shadow can be obtained when there is _____________.

(a) a source of light (b) an opaque object

(c) a transparent object (d) both (a) and (b)

3. Which of the following is a luminous object?

(a) Star (b) Bulb

(c) Tube light (d) All of the above

4. The earth completes one revolution around the sun in _____________ days.

(a) 363¼ (b) 364¼
(c) 365¼ (d) 366¼

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