Question 1 What are pure substances? Question 2 What is a mixture? Give 5 examples of mixtures? Question 3 Why do we need to separate different components of a mixture? Explain with example? Question 4 Name a solid, liquid and a gaseous mixture? Question 5 State one use of winnowing? Question 6 Give one use of the hand-picking method of separating … [Read more...] about Threshing, Winnowing, Hand-Picking
Science
Classification of Objects
Question 1 Define the term object? Question 2 Define the term material? Question 3 Name the main groups into which all the objects around us can be classified? Question 4 Name the groups into which all the living things are classified? Question 5 Name the groups into which all the non-living things are classified? Question 6 What is meant by classification of … [Read more...] about Classification of Objects
Classification of Materials
Question 1 What is the importance of oxygen gas dissolved in water? How is the carbon dioxide gas dissolved in water helpful to the plants which live in water? Question 2 What is meant by hard material and soft materials? Give examples? Question 3 What is meant by transparent material? Give 2 example? Question 4 What is meant by translucent material? Give 2 … [Read more...] about Classification of Materials
Making of Fabric
Question 1 What is loom? Question 2 What is the difference between handloom and powerloom? Question 3 What is meant by weaving? Question 4 What is knitting? Question 5 Name three devices for making yarn from fibres? Question 6 Name 2 processes by which fabrics can be made from yarn? Question 7 What is meant by yarn? Question 8 Name the two types of plants … [Read more...] about Making of Fabric
Materials
Question 1 What is matter? Question 2 Define the term material? Question 3 Give few examples of materials? Question 4 Give few examples of natural material? Question 5 Give few examples of man-made material? Also Read NCERT Solutions for Chapter 4 Sorting Materials into Groups Matter Anything which has mass and occupies space is called matter. Material The … [Read more...] about Materials