The Earth- Oceans and Continents - 2 Class 3 Worksheet SST

Q1: Multiple Choice Questions (MCQs)

(i) What is the name of the family to which Earth and other planets belong?
(a) Lunar family
(b) Solar system
(c) Galaxy family
(d) Planetary group

(ii) Which ocean is known for having large chunks of ice called Icebergs?
(a) Pacific Ocean
(b) Indian Ocean
(c) Arctic Ocean
(d) Atlantic Ocean

(iii) How many continents are there on Earth, including Eurasia?
(a) Six
(b) Seven
(c) Eight
(d) Nine

(iv) Which explorer proved that the Earth was round in shape by undertaking a sea journey?
(a) Christopher Columbus
(b) Ferdinand Magellan
(c) Marco Polo
(d) Vasco da Gama

(v) What allows airplanes and Mount Everest's height to be measured from the same standard level?
(a) Sea level
(b) Mountain level
(c) Ocean level
(d) Continental level

Q2: Choose the right answer

(i) The ______ of the Earth’s surface is water. (two-fifths/three-fourths)

(ii) The ______ of the Earth’s surface is land. (one-fifth/one-fourth)

(iii) The place where the land and the sky seem to meet is called _____ .(the horizon/ vertical)

(iv) The layer of air surrounding the Earth is called the _____. (horizon/atmosphere)

Q3: Name the following

(i) The three things which make life possible on the Earth.

(ii) The sailor who proved that the Earth is round.

(iii) The first two astronauts who landed on the moon

Q4: Fill in the blanks

(i) The shape of the Earth is ____ like a ball.

(ii) The Earth is called the ____ Planet.

(iii) The Earth is the only planet where there is ______.

(iv) The place where the land and the sea meet is called a ____.

(v) The height of Mount Everest is measured from __________.
Ans: sea level

Q5: True/False Questions

(i) Oceans and seas are separate bodies of water and are not interconnected.

(ii) Earth and Moon move around the Sun independently without any gravitational connection.

(iii) Continents are large unbroken landmasses, and Europe and Asia together are known as Eurasia.

(iv) Oceans cover more than half of the Earth's surface.

(v) The shape of the Earth was once believed to be flat until proved otherwise by explorers like Ferdinand Magellan.

Q6: Short Answer Questions

(i) Explain why the distance of Earth from the Sun is crucial for the existence of life on Earth.

(ii) Describe the role of Ferdinand Magellan in proving the Earth's round shape.

(iii) Explain why sea level serves as the standard measurement for various heights and depths on Earth.

(iv) Discuss the significance of oceans and their interconnectedness in the Earth's ecosystem.