CBSE Class 5 Social Science Environmental Pollution Worksheet

Question. Hearing loss is caused by

Answer : Noise pollution

Question. Surrounding in which organism live

Answer : Environment

Question. Engines of auto vehicles release

Answer : Carbon monoxide

Question. Capable of being decomposed by bacteria or other living organisms and thereby avoiding pollution.

Answer : Biodegradable

Question. Form of air pollution caused by volcano eruption

Answer : Vog

Very Short Answer Type Questions :

Question. Suggest one solution to water pollution.
Answer : Never throw rubbish into water.

Question. In which two categories can waste be divided?
Answer : Two categories in which waste can be divided are biodegradable and non-biodegradable.

Question. Name three clean energy sources.
Answer : Three clean sources of energy are solar, wind and geothermal energy.

Question. What is regarded as unwanted sound?
Answer : Noise is regarded as unwanted sound.

Question. Name a disease caused by land pollution.
Answer : Disease caused by land pollution is problems on the skin.

Short Answer Type Questions :

Question. What do you mean by waste disposal?
Answer : Wastes that cannot be reused or recycled should be disposed off wisely .They should be separated as biodegradable and non-biodegradable waste in separate dustbin. Biodegradable waste in green dustbin and non-biodegradable in blue dustbin.

Question. What is carpooling? How can it help in air pollution?
Answer : Carpooling is the sharing of car journeys so that more than one person travels in a car. By having more people using one vehicle, carpooling reduces each person's travel costs such as fuel costs, tolls, and the stress of driving.

Question. Define natural environment. What does it include?
Answer : Natural environment means things which nature has provided us .It includes all living and non living things occurring naturally on the earth. Climate, weather and natural resources that affect human survival are parts of the natural environment.

Question. What is global warming?
Answer : The increase in Earth's average temperature over a long period of time. Carbon dioxide: A gas released by the burning of coal, natural gas, oil, and wood that traps heat in the atmosphere. This gas increases temperature.

Question. Write four solution to solve noise pollution .
Answer : Four solution are;
1. Close the windows. It keeps away unwanted sound.
2. Declaring a “no horn zone” in hospital, school and residential area.
3. Ban the use of loudspeakers
4. Shift the airports ,bus terminals away from noisy areas.

Long Answer Type Questions :

Question. What are the causes, effects and solutions of air pollution?
Answer : Air pollution occurs when gases, dust particles, fumes (or smoke) or odour are introduced into the atmosphere in a way that makes it harmful to humans, animals and plant.
Causes :
1. Household: The main source of household air pollution is the indoor burning of fossil fuels, wood and other biomass-based fuels to cook, heat and light homes.
2. Industry Industrial processes and solvent use, in the chemical and mining industries, also pollute the air.
3. Transport air pollution from transport are caused by diesel emissions.
Effects of air pollution :
1. Air pollution causes allergies and diseases like asthma, bronchitis and respiratory disorders.
2. It may lead to irritation of eyes , nose, and throat.
3. Polluted air kills plants and trees by damaging their leaves.
Solutions to air pollution :
1. use public transport. Adopt carpooling
2. Use clean energy like solar and wind energy.
3. Switch off fans and lights when not in use.

Question. Explain three R’s of Waste management.
Answer : The three R’s are Reduce, Reuse and Recycle.
Reduce - We should reduce the waste creation, consumer should avoid buying things in small packets instead of that they should buy in bulks.This will reduce packaing and waste.
Reuse - finding a new way to use trash so that we don't have to throw it out ,eg. We can use permanent bottles instead of using plastic bottles.
Recycling - using trash to remake new goods that can be sold again.It also reduces the consumption of fresh raw material.

Topic – Environmental Pollution

I. Here is a box full of problems caused by pollution. Let’s sort them out by putting each
problem in its proper place. Under which category will you put each problem?

typhoid, asthma, stress, infertile, soil, irritation, eye problems, jaundice, kills plants, loss of hearing, gastroenteritis, harms organisms living in the soil, respiratory, problems,

II. Have you seen this symbol anywhere? Colour this ‘only green’ and write the 3 ‘R’s around it.