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Worksheet: Solar System | Science for Class 3 PDF Download

Q1: Multiple Choice Questions

(i): The family of the sun is called
(a) solar system
(b) organ system
(c) galaxy
(d) celestial system

(ii): The vast space containing stars, planets, meteors etc. is called-
(a) universe
(b) galaxies
(c) solar system
(d) cosmos

(iii): The name of our galaxy is
(a) Milky Way
(b) Jupiter
(c) Mercury
(d) Andromeda

(iv): The Sun is a-
(a) Star
(b) Galaxy
(c) Planet
(d) Celestial body

(v): A ___________ is a heavenly body without heat and light of its own
(a) planets
(b) sun
(c) stars
(d) moon

Q2: Answer the following questions

(i) What makes our earth blue and green in colour?
(ii) What is atmosphere?
(iii) What is a solar system?
(iv) What is a sun?
(v) What is a moon?
(vi) What is constellation?
(vii) write the names of planets in solar system in order

Q3: True and false

(i) Earth is only planet with water and life
(ii) The earth has only water and is blue in colour
(iii) The solar system is made up of the sun 10 planets and their moons
(iv) The family of sun is called solar system true
(v) The sun is star for plant earth true
(vi) There is only one type of constellation false
(vii) Sunlight helps plants to produce food true
(viii) Planets do not move around the sun false
(ix) Moon has light of its own.
(x) The full Moon is also called Purnima.

Q4: Define the terms

(i) Heavenly body
(ii) Solar System
(iii) Stars
(iv) Constellation
(v) Planets

Q5: Solve the puzzle

Worksheet: Solar System | Science for Class 3

Worksheet: Solar System | Science for Class 3

You can access the solutions to this worksheet here.

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FAQs on Worksheet: Solar System - Science for Class 3

1. What is the largest planet in our solar system?
Ans. The largest planet in our solar system is Jupiter. It is a gas giant and is known for its Great Red Spot, a massive storm that has been raging for hundreds of years. Jupiter has a diameter of about 86,881 miles (139,822 kilometers) and is more than 11 times the diameter of Earth.
2. How many planets are there in the solar system?
Ans. There are eight recognized planets in our solar system. These are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Pluto was reclassified as a dwarf planet in 2006 by the International Astronomical Union.
3. What is the difference between a planet and a dwarf planet?
Ans. The main difference between a planet and a dwarf planet is that a planet has cleared its orbit of other debris, while a dwarf planet has not. Dwarf planets, such as Pluto, share their orbital space with other objects of similar size and do not dominate their orbital zone.
4. What are the inner and outer planets of the solar system?
Ans. The inner planets, also known as terrestrial planets, include Mercury, Venus, Earth, and Mars. They are smaller and have rocky surfaces. The outer planets, or gas giants, include Jupiter, Saturn, Uranus, and Neptune. These planets are larger and primarily made up of gases, with thick atmospheres and, in some cases, ring systems.
5. What role do the Sun and gravity play in the solar system?
Ans. The Sun is the central star of our solar system and provides the necessary heat and light for life on Earth. Its gravitational pull keeps the planets in orbit around it. Gravity is the force that governs the motion of celestial bodies, ensuring that planets, moons, and other objects maintain their orbits and relationships within the solar system.
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