Worksheet on Stars, Constellations and Celestial Bodies Class 3

1. What happens when a specific region of the Earth is facing the Sun?

a) Daytime occurs in that region
b) Nighttime occurs in that region
c) Both day and night occur simultaneously
d) The seasons change in that region.

Answer: a) When a specific region of the Earth is facing the Sun, it receives direct sunlight, resulting in daylight.

2. Which of the following is a natural satellite?

a)
b)
c)
d)

Answer: b) Moon is the natural satellite of the Earth.

3. Which of the following statements is true for a solar eclipse?

a) It happens when the Earth passes between the sun and the moon
b) It happens when the moon passes between the sun and the Earth
c) It happens when the moon reflects sunlight to the Earth
d) It happens when the Earth reflects sunlight to the moon

Answer: b) During a solar eclipse, the moon passes between the sun and the Earth, blocking the sunlight and casting a shadow on a portion of the Earth.

4. What does the following picture represent?

a) Changes in the seasons
b) Day and night cycle
c) Phases of earth
d) Phases of the moon

Answer: a) The picture represents the revolution of the Earth around the Sun, which is the main cause of the changes in seasons experienced on Earth.

5. Match the following.

a) 1:C, 2:A, 3:B
b) 1:A, 2:B, 3:C
c) 1:B, 2:C, 3:A
d) 1:B, 2:A, 3:C

Answer: c) Comet: Metallic particles covered with frozen ice of water and gases.
Meteor: Also called shooting stars.
Asteroids: Large chunks of rocks that orbit the Sun.