Class 2 > Social Science for Class 2 > Worksheet: Our Earth - 2
Worksheet: Our Earth - 2 - Social Science for Class 2
Q1: Multiple Choice Questions (MCQs).
(i) What is the Earth mostly covered with?
(a) Water
(b) Trees
(c) Sand
(d) Rocks
(ii) What do we call the Earth spinning on its axis?
(a) Rolling
(b) Spinning
(c) Rotating
(d) Floating
(iii) Which season comes after winter?
(a) Spring
(b) Summer
(c) Autumn
(d) Monsoon
(iv) What do we call the imaginary line that divides the Earth into Northern and Southern Hemispheres?
(a) Equator
(b) Meridian
(c) Tropic of Cancer
(d) Tropic of Capricorn
(v) Which planet do we live on?
(a) Mars
(b) Venus
(c) Earth
(d) Jupiter
Q2: Fill in the Blanks.
(i) The Earth is mostly covered with ____________.
(ii) When the Earth spins on its axis, it is called ____________.
(iii) We have four ____________ in a year - spring, summer, autumn, and winter.
(iv) The imaginary line that divides the Earth into Northern and Southern Hemispheres is called the ____________.
(v) We live on planet ____________.
Q3: Short Answer Type Questions.
(i) What is the Earth mostly covered with?
(ii) What do we call it when the Earth spins on its axis?
(iii) How many seasons do we have in a year, and can you name them?
(iv) Can you explain what the Equator is and what it does?
(v) Which planet do we live on, and why is it important?
The document Worksheet: Our Earth - 2 | Social Science for Class 2 is a part of the Class 2 Course Social Science for Class 2.
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FAQs on Worksheet: Our Earth - 2 - Social Science for Class 2
| 1. What are the different layers of the Earth? |  |
Ans. The Earth is divided into three main layers: the crust, the mantle, and the core. The crust is the outermost layer and is made up of solid rocks and minerals. The mantle is the middle layer and is composed of semi-solid rock. The core is the innermost layer and is mainly made up of iron and nickel.
| 2. How is the Earth's crust formed? | |
Ans. The Earth's crust is formed through a process called plate tectonics. The crust is made up of several large and small plates that float on the semi-fluid mantle beneath them. These plates constantly move and interact with each other, causing earthquakes, volcanic activity, and the formation of mountains. Over millions of years, these processes shape and reshape the Earth's crust.
| 3. What is the significance of the Earth's atmosphere? | |
Ans. The Earth's atmosphere plays a crucial role in supporting life on the planet. It is a layer of gases that surround the Earth and provide us with air to breathe. The atmosphere also acts as a shield, protecting us from harmful solar radiation and meteoroids. It helps regulate the Earth's temperature by trapping heat and maintaining a stable climate. Additionally, the atmosphere is essential for weather and climate patterns.
| 4. How does the Earth's hydrosphere contribute to the water cycle? | |
Ans. The hydrosphere refers to all the water on Earth, including oceans, lakes, rivers, and groundwater. It plays a vital role in the water cycle. The water cycle is a continuous process in which water evaporates from the Earth's surface, condenses into clouds, falls back to the Earth as precipitation, and then repeats the cycle. The hydrosphere acts as a reservoir for water, supplying it for evaporation and precipitation, ensuring the balance of water on Earth.
| 5. Why is the Earth called the "Blue Planet"? | |
Ans. The Earth is called the "Blue Planet" because it is predominantly covered by water. Around 71% of the Earth's surface is covered by oceans, giving it a blue appearance when viewed from space. The reflection of sunlight off the water gives the planet its distinctive blue color. The vast amount of water on Earth is essential for supporting life and maintaining the planet's overall ecosystem.
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