SOCIAL STUDIES CLASS 4 : ENVIRONMENTAL POLLUTION

What is the introduction of pollutants into the environment called?

Which of the following is NOT a main type of pollution?

The mixing of harmful gases, dust, and smoke in the air is known as what?

Which of these is a natural source of air pollution?

What disease is NOT caused by breathing in polluted air?

What do factories and vehicles release that mix with water droplets to form acid rain?

What is the mixing of chemicals and untreated sewage into water bodies called?

Which action does NOT directly cause water pollution?

What is one consequence of drinking polluted water?

What must be done to sewage before it is discharged into water bodies?

What do we call the accumulation of harmful substances on land?

What does land pollution make the soil?

What is continous, unwanted loud sound in the environment called?

What unit is the intensity of sound measured in?

Which illness is NOT caused by Noise pollution?

Which human activity is the MOST significant contributor to air pollution?

How does air pollution contribute to the formation of acid rain?

Which of the following is the MOST effective way to mitigate air pollution at an individual level?

How does the dumping of untreated sewage directly affect water quality?

What is the MOST crucial step in preventing water pollution from industrial sources?

How can individuals BEST contribute to the prevention of water pollution in their daily lives?

What is the primary effect of land pollution on agricultural productivity?

Which action is MOST likely to lead to land pollution?

How does deforestation contribute to land degradation and pollution?

What is the primary way noise pollution affects human health?

Which of these is the MOST effective strategy for reducing noise pollution in urban environments?

What measure can individuals take to minimize noise pollution at home?

How does mining activity MOST directly contribute to multiple forms of pollution?

What is the connection between air pollution and the increased risk of respiratory diseases?

How does plastic waste in water bodies indirectly affect human health?

The introduction of pollutants into the environment is called pollution.

Sandstorms and volcanic eruptions are examples of human activities that cause air pollution.

Breathing in polluted air can lead to respiratory problems like asthma.

Smog is formed when smoke mixes with rain.

Acid rain is caused when pollutants mix with water droplets in the air.

Dumping chemical waste into water bodies is a natural cause of water pollution.

Drinking polluted water can cause diseases like typhoid.

Land pollution only affects the appearance of the land, but not the soil.

The intensity of sound is measured in watts.

Listening to music at a low volume can help prevent noise pollution.

Natural events such as sandstorms and volcanic activity, but not human actions, contribute to air pollution.

Smog, a type of air pollution, forms when smoke and fog mix, improving visibility during winter.

Acid rain develops when gases from factories and vehicles interact with air, creating strong corrosive acids.

Storms causing soil to dissolve in water are solely a result of human activities, not natural occurrences, leading to water pollution.

Water pollution leads to health problems like jaundice and typhoid, but does not impact aquatic animal populations.

Treating sewage in water treatment plants is unnecessary, as natural water bodies can effectively neutralize pollutants.

Land pollution, often called soil pollution, is primarily caused by natural disasters and is not influenced by human activities.

Land pollution enhances soil fertility and increases the population of organisms living in the soil.

Sounds louder than 90 decibels are considered harmless to human hearing because the ear can easily adapt to such sounds.

Noise pollution only affects humans and has no impact on other living organisms in the environment.

The introduction of ______ into the environment is called pollution.

The mixing of harmful gases, dust, smoke and other particles in air is called ______ pollution.

Breathing in polluted air causes diseases such as ______, tuberculosis, lung cancer and heart diseases.

Smoke from factories and vehicles mixes with fog to form ______.

Some of the gases, released from factories and vehicles, mix with water droplets in the air to form weak ______.

The mixing of pollutants such as chemicals and untreated sewage into water bodies is called ______ pollution.

Dumping household waste and untreated ______ into water bodies causes water pollution.

The release of harmful substances or their accumulation on land is called ______ pollution.

The presence of continuous, unwanted loud sound in our environment is called ______ pollution.

The intensity of sound is measured in ______.

Mixing of harmful gases, dust, smoke and other particles in air is called ______ ______.

In winter, smoke from factories and vehicles mixes with fog to form ______, which reduces visibility and makes it difficult to breathe.

Some of the gases released from factories and vehicles, mix with water droplets in the air to form weak acids which causes ______ ______.

The mixing of pollutants such as chemicals and untreated sewage into water bodies is called ______ ______.

The release of harmful substances or their accumulation on land is called ______ ______.

The presence of continuous, unwanted loud sound in our environment is called ______ ______.

Acid rain is caused by gases released from factories and vehicles mixing with water droplets in the air to form weak ______.

Drinking polluted water can cause diseases such as jaundice, ______, and typhoid.

Mining generates a lot of refuse that has polluted the land and made it ______.

Name one natural source of air pollution.

What is formed when smoke mixes with fog in winter due to air pollution?

Planting more of what can help prevent air pollution?

What kind of waste when mixed with water leads to water pollution?

Name one disease that can be caused by drinking polluted water.

What should sewage be treated in before being discharged into water bodies?

What type of pollution is also called soil pollution?

What is refuse from mines that pollutes soil called?

What is the presence of unwanted, loud sound in our environment called?

In what unit is the intensity of sound measured?

What is one home appliance that can cause noise pollution?

Name one effect of noise pollution on human health.

What action can be taken to prevent noise pollution while listening to music?

Explain how a volcanic eruption can be both a natural cause of air pollution and contribute to water pollution.

Describe the process by which air pollution can lead to acid rain, and name two specific acids commonly formed.

Explain the relationship between land pollution and soil infertility.

How does noise pollution impact human health beyond just hearing loss?

What are the main sources of water pollution? Give examples.

Describe how mining activities can lead to air, water, and land pollution, using the example of the Sukinda Valley.

Explain how the burning of fossil fuels contributes to both air pollution and acid rain.

Besides planting trees, what are two other practical steps individuals can take to reduce air pollution?

How does the presence of plastic waste in water bodies affect aquatic animals, and why?

What measures should be taken to prevent sewage from causing water pollution?

Besides dumping waste, what other human activity leads to land pollution?

Explain the link between deforestation and land pollution due to mining activities.

What is the measurement unit for sound intensity, and what level is considered harmful?

List three common household appliances that contribute to noise pollution.

Describe how smog is formed and why it is hazardous.