Science

Question: What is skeletal system? Answer: The skeletal system is the framework of bones that gives support to our body. Question: Describe the different parts of the skeleton system. Answer: The different parts of the skeleton system are: Skull: The skull acts like a helmet and protect the brain. Rib …

Question: Name the three layers of the earth. Answer: The three layers of the earth are: Crust Mantle Core – Outer core, Inner core Question: Name the three types of rocks with one example each. Answer: The three types of rocks are: Igneous rock – pumice Sedimentary rock – shale Metamorphic rock …

Question: Name any three causes of fire. Answer: The three causes of fire are: Carelessness while handling burning match sticks, candles etc. Electric faults Gas leakage Question: Why should we not operate any electrical switches when there is a gas leak? Answer: We should not operate any electrical switches when …

Question: What is length? Answer: The size or the measurement of something from one end to the other is called length. Question: Name any two measures used in ancient times? Answer: The two measures used in ancient times are: Handspan Cubit Question: Why did people in ancient times realize the …

Question: What is force? Answer: A push or pull acting on an object is called force. Question: What is gravity? Answer: The force that attracts objects towards the center of the earth is called gravity. Question: What is magnetism? Answer: The push or pull applied by a magnet on metals …

Question: What is the atmosphere? Answer: Air is a layer around the earth. This layer is called the earth’s atmosphere. Question: Name the various layers of the atmosphere. Answer: The various layers of the atmosphere are: Troposhere Stratosphere Mesosphere Thermosphere Exosphere Question: How does the atmosphere protect us from meteoroid …

Question: What is a solar system? Answer: The sun and the celestial bodies that revolve around it form the solar system. Question: Apart from plants, name the other celestial bodies that are in the solar system. Answer: Apart from plants, name the other celestial bodies that are in the solar …

Question: What are volcanoes? Answer: Cracks in the earth’s crust out of which molten magma comes out is called volcanoes. Question: Name three types of volcanoes? Answer: The three types of volcanoes are: Active Volcanoes Dormant Volcanoes Extinct Volcanoes Question: Give one example each of an active and an extinct volcanoes. …

Question: What are transparent materials? Give any two examples. Answer: Materials that allow all the light to pass through them are called transparent materials. Eg: clear glass and clean water. Question: What are translucent materials? Answer: Materials that allow some amount of light through them are called translucent materials. Question: …

NCERT 7th Class (CBSE) Science: Fibre to Fabric – Quiz 24 Multiple Choice Questions related to NCERT 7th Class (CBSE) Science: Fibre to Fabric – Quiz: Rearing: The process of domestication and rearing of animals. Shearing: The process of removal of fleece from the body of animals. Reeling: The process of taking out …