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Chapters
2: Scale and Distance
3: Composition and Structure of the Atmosphere
▶ 4: Greenhouse Effect and Global Warming
5: Study of Weather
6: Recording of Weather
7: Types of Rocks
8: Weathering and Soil
9: Industries: Their Need, and Classification
10: Major Industries
11: Renewable and Non-renewable resources
12: Europe: Location, Area, Political & Physical Features
13: Europe: Climate, Natural Vegetation, Wildlife; Forest, Minerals & Power Resources
14: Africa: Location, Area, Political & Physical Features
15: Africa: Climate, Natural Vegetation, Wildlife; Minerals
16: Australia:Location,Area, Political & Physical Features
17: Australia: Climate, Natural Vegetation, Wildlife; Forest and Minerals
18: Antarctica: Location, Physical Features, Climate, Natural Vegetation
![Oxford University Press solutions for Voyage Geography [English] Class 7 chapter 4 - Greenhouse Effect and Global Warming - Shaalaa.com](/images/voyage-geography-english-class-7_6:4256ba090345470c9fead663b561899f.jpg "Oxford University Press solutions for Voyage Geography [English] Class 7 chapter 4 - Greenhouse Effect and Global Warming")
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Solutions for Chapter 4: Greenhouse Effect and Global Warming
Below listed, you can find solutions for Chapter 4 of CISCE Oxford University Press for Voyage Geography [English] Class 7.
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Discuss
Collect rainfall data from the website of the Indian Meteorological Department (IMD) for Mumbai, Chennai, Delhi, and Kolkata and discuss how rainfall patterns have changed in the last 5 years.
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Values and Life Skills
We need to understand that global warming, climate change, acid rain, and ozone depletion are all happening because of our dependence on fossil fuels and CFC-based technologies. Therefore, the need of the hour is to reduce our dependence on them.
What can you do in this regard?
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Fill in the blanks
Fill in the blank:
________________are examples of greenhouse gases.
Fill in the blank:
______ is a major cause of climate change.
Fill in the blank:
The __________in the earth’s temperature is called global warming.
Fill in the blank:
The layer of the atmosphere where ozone is found is called the ________.
Fill in the blank:
The ozone layer protects us from the _____________ of the sun.
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Write True or False
Write True or False.
Aeroplanes flying in the sky cause global warming.
True
False
Write True or False.
Forest fires do not cause global warming.
True
False
Write True or False.
Ozone is found in the troposphere.
True
False
Write True or False.
The ozone layer is harmful to humans and animals.
True
False
Write True or False.
CFCs and BFCs protect the ozone layer.
True
False
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Choose the correct option
Choose the correct option.
________dioxide is a greenhouse gas.
Oxygen
Carbon
Choose the correct option.
Use of fossil _____ causes global warming.
fuels
hydroelectricity
Choose the correct option.
Cattle release_____
methane
CFCs.
Choose the correct option.
Global warming will _____ climate change.
reduce
increase
Choose the correct option.
The ozone layer is found between _______ km above the earth’s surface.
20 and 40
40 and 60
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Match the Columns
Match the Columns:
| Column A | Column B |
| 1. Ozone depletion | a. GHG |
| 2. Methane | b. Disappearance of habitat |
| 3. Deforestation | c. UV rays from the sun |
| 4. Fossil fuel | d. CFCs |
| 5. Global warming | e. comes from cattle |
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Answer the questions in brief
Why do we call carbon dioxide a greenhouse gas?
Name two more greenhouse gases.
How will countries like Bangladesh and Thailand be affected by global warming?
What is responsible for causing a hole in the ozone layer?
Name some diseases that are caused due to exposure to ultraviolet rays of the sun.
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Answer the questions in one or two paragraphs
How is the greenhouse effect created?
State three causes that have led to an increase in greenhouse gases in the atmosphere.
What do you understand by the term ‘global warming’?
State some anthropogenic (man-made) causes of global warming.
Global warming does not augur well for our planet earth. State at least three reasons to support this statement.
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Picture study
- Which region of the world is seen in the picture?
- How is it going to be affected by global warming?
Oxford University Press solutions for Voyage Geography [English] Class 7 4 Greenhouse Effect and Global Warming Let's Do Something
Imagine that you are an active member of Greenpeace. Write a two-page appeal addressed to the Prime Minister of India stating why you think that increasing the number of vehicles on roads will be disastrous to the nation in the long run.
Make a collage using pictures or a chart to show the various causes and consequences of global warming.
Solutions for 4: Greenhouse Effect and Global Warming
Oxford University Press solutions for Voyage Geography [English] Class 7 chapter 4 - Greenhouse Effect and Global Warming
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Concepts covered in Voyage Geography [English] Class 7 chapter 4 Greenhouse Effect and Global Warming are Composition of the Atmosphere, Green House Effect, Global Warming, Atmosphere and Its Layers, Preventive Measures of Global Warming, Atmosphere and Its Layers.
Using Oxford University Press Voyage Geography [English] Class 7 solutions Greenhouse Effect and Global Warming exercise by students is an easy way to prepare for the exams, as they involve solutions arranged chapter-wise and also page-wise. The questions involved in Oxford University Press Solutions are essential questions that can be asked in the final exam. Maximum CISCE Voyage Geography [English] Class 7 students prefer Oxford University Press Textbook Solutions to score more in exams.
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