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CBSE Extra Questions for Class 7 Science Extra Questions for Class 7 Science is very important resource for students preparing for the VII Board Examination. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 7. Nutrition in Plants Class 7 Extra Questions Nutrition in Animals Class 7 Extra Questions Fibre to Fabric Class 7 Extra …

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CBSE Pollution of Air and Water Class 8 Extra Questions Air pollution is the introduction into the atmosphere of chemicals, particulate matter, or biological materials that cause discomfort, disease, or death to humans, damage other living organisms such as food crops, or damage the natural environment or built environment Pollutants are the substance which contaminate …

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CBSE Stars and the Solar System Class 8 Extra Questions In the night sky there are moon, stars, planets and other celestial objects The phases of moon occur, because we are able to see only that part of the moon which reflects the light of the sun towards us Stars emit their own light. Sun …

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CBSE Light Class 8 Extra Questions Light from an object enters our eyes then we see the objects around us Light is reflected from all surfaces Regular reflection takes place when light is incident on smooth, polished and regular surfaces Irregular reflection takes place from rough surfaces. Please refer Light Class 8 Extra Questions for …

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CBSE Some Natural Phenomena Class 8 Extra Questions There are two types of charges namely positive and negative charge, like charges repel each other and opposite charges attract each other Some objects get charged by rubbing with other objects, the electrical charges produced by rubbing are called static charge Lightning in sky is caused by …

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CBSE Chemical Effects of Electric Current Class 8 Extra Questions Materials which allow electric current to pass through them are good conductors of electricity and which does not allow electric current to pass through them are good conductors of electricity We should not experiment or play with the electrical appliances Some liquids are good conductor …

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CBSE Sound Class 8 Extra Questions Sound is a sequence of waves of pressure that propagates through compressible media such as air or water Sound is produced by vibrating objects Sound helps us to communicate with one another, we can hear a variety of sounds in our surrounding The to and fro and back and …

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CBSE Friction Class 8 Extra Questions Friction is the “evil” of all motion. No matter which direction something moves in, friction pulls it the other way Friction is caused by the irregularities on the two surfaces in contact Friction depends on nature of surfaces in contact Friction depends on how hard the two surfaces press …

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CBSE Friction Class 8 Extra Questions Friction is the “evil” of all motion. No matter which direction something moves in, friction pulls it the other way Friction is caused by the irregularities on the two surfaces in contact Friction depends on nature of surfaces in contact Friction depends on how hard the two surfaces press …

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CBSE Force and Pressure Class 8 Extra Questions  A push or a pull on an object is called a force.A force arises due to the interaction between two objects. Force has magnitude as well as direction. Force may change in the state of motion of an object or it may bring about a change in …

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