Class 2 Exam > Class 2 Videos > Science for Class 2 > Air Around Us
Air Around Us Video Lecture | Science for Class 2
|
13 videos|80 docs|24 tests
|
FAQs on Air Around Us Video Lecture - Science for Class 2
| 1. What is air and why is it important? |  |
Ans. Air is a mixture of gases that surround the Earth. It is important because it is essential for the survival of all living organisms. It provides us with oxygen to breathe, helps regulate the Earth's temperature, and plays a crucial role in the water cycle.
| 2. How is air polluted and what are the sources of air pollution? | |
Ans. Air can be polluted by various sources, including both natural and human activities. Natural sources of air pollution include volcanic eruptions and dust storms. Human activities such as industrial emissions, vehicle exhaust, burning of fossil fuels, and deforestation are major contributors to air pollution.
| 3. What are the effects of air pollution on human health? | |
Ans. Air pollution can have severe effects on human health. Breathing in polluted air can lead to respiratory problems such as asthma, bronchitis, and lung cancer. It can also cause cardiovascular diseases, allergies, and weaken the immune system. Long-term exposure to air pollution can result in chronic health issues.
| 4. How does air pollution affect the environment? | |
Ans. Air pollution has detrimental effects on the environment. It contributes to global warming and climate change by trapping heat in the Earth's atmosphere. It also damages ecosystems, disrupts the natural balance of ecosystems, and harms wildlife. Acid rain, smog, and depletion of the ozone layer are some of the environmental consequences of air pollution.
| 5. What are some measures to reduce air pollution? | |
Ans. There are several measures that can be taken to reduce air pollution. These include promoting the use of clean and renewable energy sources, improving fuel efficiency in vehicles, implementing stricter emission standards for industries, encouraging public transportation, and promoting afforestation. Additionally, raising awareness about the harmful effects of air pollution and advocating for sustainable practices can also contribute to reducing air pollution levels.
Related Exams
About this Video
|
1.7K Views |
|
4.98/5 Rating |
|
Nov 24, 2024 Last updated |
Video Description: Air Around Us for Class 2 2024 is part of Science for Class 2 preparation.
The notes and questions for Air Around Us have been prepared according to the Class 2 exam syllabus.
Information about Air Around Us covers all important topics for Class 2 2024 Exam.
Find important definitions, questions, notes, meanings, examples, exercises and tests below for Air Around Us.
Introduction of Air Around Us in English is available as part of our Science for Class 2 for Class 2 & Air Around Us in
Hindi for Science for Class 2 course. Download more important topics related with notes, lectures and mock test series for
Class 2 Exam by signing up for free.
Description
Video Lecture & Questions for Air Around Us Video Lecture | Science for Class 2 - Class 2 full syllabus preparation | Free video for Class 2 exam to prepare for Science for Class 2.
Information about Air Around Us
Here you can find the meaning of Air Around Us defined & explained in the simplest way possible.
Besides explaining types of Air Around Us theory, EduRev gives you an ample number of questions to practice Air Around Us tests,
examples and also practice Class 2 tests.
|
13 videos|80 docs|24 tests
|
Video Timeline
|
Explore Courses for Class 2 exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
Summary
,Viva Questions
,practice quizzes
,Previous Year Questions with Solutions
,Extra Questions
,Important questions
,MCQs
,mock tests for examination
,Objective type Questions
,video lectures
,study material
,past year papers
,Air Around Us Video Lecture | Science for Class 2
,ppt
,Semester Notes
,Air Around Us Video Lecture | Science for Class 2
,Free
,Air Around Us Video Lecture | Science for Class 2
,Exam
,shortcuts and tricks
,Sample Paper
;
Study Air Around Us on the App
Students of Class 2 can study Air Around Us alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the Air Around Us,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of Air Around Us is prepared as per the latest Class 2 syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup