Class 2 Exam > Class 2 Notes > Let's Look Around & Learn 2: Solutions, Notes & Worksheets > Textbook Solutions: Earth - Our Home
Textbook Solutions: Earth - Our Home | Let's Look Around & Learn 2: Solutions, Notes & Worksheets - Class 2 PDF Download
I. Answer the questions:
1. What is the earth made of?
Ans: The earth is made of land and water.
2. Name any five gifts of nature:
Ans: (a) Plains
(b) Valleys
(c) Mountains
(d) Islands
(e) Forests
3. What are plains?
Ans: Plains are large areas of flat land.
4. What is a valley?
Ans: A valley is a piece of land between two hills or mountains.
5. Name any three things that man has made for his comfort:
Ans: (a) Factories
(b) Vehicles
(c) Houses
6. Name any three kinds of pollution that man has created:
Ans: (a) Air pollution
(b) Water pollution
(c) Noise pollution
II. Tick the correct statements and cross the incorrect ones:
1. Land surrounded by water is called a valley.
Ans: Correct
2. Water surrounded by land is called a lake.
Ans: Incorrect
Water surrounded by land is called a pond.
3. Man has cut forests and turned it into a field.
Ans: Correct
4. Rivers have salty water.
Ans: Incorrect
Rivers usually have freshwater, not salty water.
5. Land between two mountains is called plains.
Ans: Incorrect
Land between two mountains is usually called a valley, not plains.
III. Fill in the blanks with the words from the box:
1. Rivers flow from _____ to sea.
Ans: land
2. Pollution causes _____.
Ans: diseases
3. Area thickly covered with trees is called a _____.
Ans: forest
4. Smoke from a vehicle causes _____ pollution.
Ans: air
5. We have spoilt the _____.
Ans: nature
IV. Match the two columns:
Ans:
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FAQs on Textbook Solutions: Earth - Our Home - Let's Look Around & Learn 2: Solutions, Notes & Worksheets - Class 2
| 1. How can we protect the Earth's environment? |  |
Ans. There are several ways to protect the Earth's environment. We can start by reducing our energy consumption by using energy-efficient appliances and turning off lights and electronics when not in use. Recycling is another important step, as it helps reduce waste and conserve resources. Additionally, planting trees and participating in community clean-up events can contribute to improving the environment. Lastly, spreading awareness about environmental issues and advocating for sustainable practices can make a significant impact.
| 2. What are the major causes of pollution on Earth? | |
Ans. Pollution on Earth is primarily caused by human activities. Some major causes include industrial emissions, vehicle exhaust, improper waste disposal, and deforestation. Industrial emissions release harmful pollutants into the air, while vehicle exhaust contributes to air pollution. Improper waste disposal, such as throwing garbage in rivers or landfills, leads to water and soil pollution. Deforestation disrupts the natural balance, negatively impacting air quality and biodiversity.
| 3. How does climate change affect the Earth? | |
Ans. Climate change has significant impacts on the Earth. Rising temperatures lead to the melting of polar ice caps and glaciers, resulting in sea-level rise and increased flooding in coastal areas. It also disrupts weather patterns, causing more frequent and intense natural disasters such as hurricanes, droughts, and heatwaves. Climate change also affects ecosystems, leading to the loss of biodiversity and threatening the survival of many species. Additionally, it can have negative effects on human health, agriculture, and the overall economy.
| 4. Why is it important to conserve water? | |
Ans. Conserving water is crucial for several reasons. Firstly, freshwater is a limited resource, and the demand for it is continuously increasing. Conserving water helps ensure its availability for future generations. Secondly, water conservation reduces energy consumption. Treating and distributing water requires energy, and by conserving water, we can decrease the energy needed for these processes. Lastly, water conservation helps protect ecosystems and aquatic life. By using water efficiently and avoiding wastage, we can maintain the balance of natural habitats and prevent water pollution.
| 5. How does deforestation impact the Earth's ecosystem? | |
Ans. Deforestation has severe consequences for the Earth's ecosystem. Trees play a vital role in absorbing carbon dioxide and releasing oxygen, helping to regulate the Earth's climate. Deforestation contributes to increased levels of carbon dioxide in the atmosphere, leading to climate change. It also results in habitat loss for many species, disrupting ecological balance and leading to a decline in biodiversity. Deforestation can also contribute to soil erosion, water pollution, and increased vulnerability to natural disasters like floods and landslides.
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Dec 22, 2024 Last updated |
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