Pollution Class 5 NCERT BASED PRESENTATION
- 2. Topic We Will Cover In This Chapter. Pollution. Air Pollution. Water Pollution. Noise Pollution. Land Pollution. Effects Of Pollution. Ways To Control Pollution.
- 3. Pollution * Pollution is the introduction of harmful materials into the environment. * Materials that spoil our environment are called pollutants.
- 4. Types Of Pollution Air Pollution Water Pollution Noise Pollution Land Pollution
- 5. Air Pollution It refers to any physical, chemical or biological change in the air. The mixture of smoke and fog in air is called ‘smog’.
- 6. Water Pollution It occurs when harmful substances contaminate a stream, river, lake, ocean or other body of water, degrading water quality. Water pollution have a harmful effect on both living and non-living organisms.
- 7. Noise Pollution Unwanted and loud sounds are known as noise. Lot of noise in environment which cause disturbance to human ear called noise pollution.
- 8. Land Pollution The degradation of the earth’s land surfaces, both above and below ground level. Soil pollution also due to seepage of harmful chemicals present in pesticides, and by dumping waste and garbage in fertile places.
- 9. Effects Of Pollution Air pollution leads to breathing problem, respiratory diseases, global warming. Aquatic plants and animals are affected by water pollutants and excessive water pollution. Noise pollution can lead to nervous system disorder, high blood pressure, stress and sleep disturbance. Land pollution leads to infertile soil and does not support growth of plants, and the land becomes unusable.
- 10. Ways To Control Pollution Walk to nearby places instead of using bike or car. Use public transport instead of private vehicles. Practice the use of 3R’s: i.e. Reduce Recycle Reuse. Regular checks for leaks in your home and car air conditioning system. Plant more and more tress and give proper care to them.
- 11. THANK YOU ALL THE BEST