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Textbook Questions and Answers 1. Name these. Question a.Birthplace of stars.Answer:Nebulae Question b.The biggest planet in the Solar System.Answer:Jupiter Question c.The galaxy which is our neighbour.Answer:Andromeda Question d.The brightest planet in the solar system.Answer:Venus Question e.Planet with the largest number of satellites.Answer:Jupiter Question f.Planet without a single satellite.Answer:Venus and Mercury Question g.Planet with a rotation … Read more

Textbook Questions and Answers  1. How will you do this? Question a.Determine whether a material is magnetic or non-magnetic.Answer: Question b.Explain that a magnet has a certain magnetic field.Answer: Question c.Find the north pole of a magnet.Answer: 2. Which magnet will you use? Question a.Iron is to be separated from a trash.Answer: An electromagnet is … Read more

Chapter 14 Light and the Formation of Shadows Textbook Questions and Answers 1. Choose an appropriate word and fill in the blanks. Question a.A ……………. is a natural source of light.Answer:star Question b.A ………….. is an artificial source of light.Answer:candle Question c.When light passes through a prism, it gets separated into ………….. colours.Answer:seven Question d.The … Read more

Textbook Questions and Answers 1. Fill in the blanks with the proper words. Question a.The propagation of sound does not occur through a ………….. .Answer:vacuum Question b.Noise pollution is a …………… issue.Answer:social/serious Question c.The sound which is disagreeable to our ears is called …………… .Answer:noise Question d.Noise has adverse effects on our …………….. .Answer:health 2. … Read more

Chapter 12 Simple Machines Textbook Questions and Answers 1. Classify the following as a lever, a pulley and an inclined plane:(A wedge, a needle, a staircase, a slide, the wheel of a flagpole, nutcrackers, scissors, an opener, an axe, a crane, a knife) Question a.Classify the following as a lever, a pulley and an inclined … Read more

Textbook Questions and Answers 1. Fill in each blank with the appropriate term from the brackets. Question a.A bucketful of water is to be drawn from a well ………. will be done when a ………… is applied to do this, because there will be an ……………. of water.(displacement, workforce)Answer:work, force, displacement Question b.If a ball … Read more

Chapter 10 Force and Types of Force Textbook Questions and Answers 1. Choose the term and fill in the blanks: Question a.……….. has to be applied to change the ……….. of a ……….. object.(moving, direction, force)Answer:force, direction, moving Question b.When an elephant drags a wooden log over the land, the forces that are applied on … Read more

Textbook Questions and Answers 1. Identify the types of motion. Question a.Movement of the earth around the sun: …………… .Answer:periodic, drcular Question b.Movement of ceiling fan: …………… .Answer:circular Question c.A rocket launched from the ground: ……….. .Answer:linear Question d.A fish swimming in water: ……… .Answer:random Question e.The plucked string of a sitar:………….. .Answer:oscillatory motion 2. … Read more

Textbook Questions and Answers 1. Fill in the blanks with the proper word.  Question a.The place where two or more bones are connected is called a …………… .Answer:joint Question b.Cells of epidermis contain a pigment called ………… .Answer:melanin Question c.…………… and ……………. are the two layers of the human skin.Answer:epidermis, dermis Question d.The human skeletal, … Read more

Textbook Questions and Answers 1. Fill in the blanks: Question a.The process of intake of food and utilizing it for all life processes is called ……………. .Answer:nutrition Question b.All the substances in our food which are useful for various body processes are called ………… .Answer:nutrients Question c.Carbohydrates and …………. provide …………… to our body.Answer:fats, energy … Read more