Subject Science (Class 8th)
Chapter 17 Stars and Solar System (Punjabi Medium)
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This chapter explains rural practices related to the creation of yield and their administration. It includes the presentation of various harvest, their climatic and nourishing necessities and the preparation of soil for comprehensive improvement of the crops Click Here.
This chapter manages destructive and valuable kinds of microbes and their significance in different areas. The places where microorganisms live, microorganisms and us, harmful microorganisms, food preservation, nitrogen fixation, and nitrogen cycle are a portion of the primary topics covered in this chapter Click Here.
This chapter manages artificial texture and plastic that is utilized for an assortment of purpose. Kind of synthetic fibres, characteristics of synthetic fibres, plastics, plastic as materials of choice and plastic and the environment are a portion of the fundamental’s points of this chapter Click Here.
This chapter explains the world of metals, non-metals, their properties, and employment. This section will assist the students with classifying the components into metals and non-metals based on their properties. Physical properties of metals and non-metals, chemical properties of metals and non-metals, use of metals and non-metals are a portion of the vital topics talked about in this chapter Click Here.
Coal and petroleum manage the two most imperative fuels ever found by humankind. The chapter additionally explains natural gas and how the characteristics assets are getting depleted because of huge and uncontrolled usage Click Here.
In this chapter, you will learn about different sorts of fuels are utilized for a different purpose at home, in industry and for running autos. Powers like cow dung, wood, coal, charcoal, petroleum, diesel, packed gaseous petrol (CNG) and so on are known to the students. In combustion and flame, the chemical procedure of burning and the sorts of flames created amid this procedure are considered in detail Click Here.
Conservation of plants and animals is a critical subject of science. This part will push the students to not just to understand the human exercise that negatively affects the nature’s abundance yet in addition to manners by which they can ensure the fauna and flora of the ecosystem Click Here.
It explains the inside and out information about the major unit of life -cell. It enlightens the students regarding the discovery of the cell, its inclination, properties, and composition Click Here.
It explains the modes and procedure of reproduction in creatures. It is fundamental for the continuation of a species. In this chapter, u will figure out how reproduction happens in animals is talked about in detail Click Here.
In this chapter, the student will find out about changed that happen in the human body after which an individual ends up fitting for reproduction.in this chapter we will learn about the human conceptive organs and the role of hormones in the development of an individual Click Here.
This chapter will take the students through the brilliant world of force and pressure. It will push them to build u uphold of the point as well as ace the ideas that will assist them with performing better Click Here.
It is an essential section of physics that manages the backing off or opposition of movement. Its causes, impacts, applications and other key properties are talked about in his chapter Click Here.
Sound talks about the distinction between music and noise. Noise pollution, its causes, impacts, and control measures are explained towards the finish off the chapter. This chapter will strengthen your base for future complex topics Click Here.
In this chapter, we will discover that metals, for example, copper and aluminium conducts electricity while materials, for example, rubber, plastic, and wood don’t conduct electricity Click Here.
This chapter throws light on the wonderful phenomenon of nature, for example, lightning and earthquake. Causes, impacts, magnitude and properties of lightning are discussed in this chapter Click Here.
Light talks about the key properties, impacts, and utilization of light and its subordinates. This chapter also gives information about regular reflection, diffused reflection, laws of reflection, etc Click Here.
This chapter explains about the celestial objects. Position of those objects, their structure and centrality are portrayed in this chapter. This part also discusses the moon, periods of the moon its situation in the planetary system and surface of the moon Click Here.
This chapter addresses the solution for the unsafe wonder of pollution and how might one add to its decrease in the individual dimension. Air pollution, how does air get polluted are some of the significant topics discussed in this chapter Click Here.
