4. SORTING MATERIAL INTO GROUPS Class 6 Science [LATEST] Solutions Important Questions with solution in English - CBSE Study
NCERT Solutions for Class 6 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 4. SORTING MATERIAL INTO GROUPS with detailed explanations and step-by-step answers for better exam preparation. Each Important Questions with solution is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 6 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 6 English Medium Science All Chapters:
4. SORTING MATERIAL INTO GROUPS
3. Important Questions with solution
Important Questions with solution
Q1: On what basis all materials are grouped?
Ans : Materials are grouped together on the basis of similarities and differences in their properties.
Q2: Why are all materials grouped together?
Ans : Things are grouped together for convenience and to study their properties.
Q3: Give three examples of metals.
Ans : Iron, aluminium and copper.
Q4: What are soft materials?
Ans : Materials which can be compressed or scratched easily are called soft materials. Like cotton and sponge.
Q5: What are hard materials?
Ans : some other materials which are difficult to compress are called hard. Like iron and copper.
Q6: What are soluble materials?
Ans : some substances have completely disappeared or dissolved in water. These substances are called soluble materials. Example – salt and sugar.
Q7: What are insoluble substances?
Ans : Some substances do not mix with water and do not disappear even after we stir for a long time. These substances are called insoluble materials. Examples – iron fills, stone, rubbers etc.
Q8: Name five objects which float in water.
Ans : balloon, dry leaf, ball, dry wood, oils etc.
Q9: Name five objects which sink in water.
Ans: key, stone, rod, brick and glass.
Q10: What are transparent objects?
Ans : Some materials through which things can be seen. These are called transparent materials. Glass, water, air and some plastics are examples of transparent materials.
Q11: What are opaque objects?
Ans : some materials through which you are not able to see. These materials are called opaque. Wood, cardboard and paper are examples of opaque objects.
Q12: What are translucent objects?
Ans : The materials through which objects can be seen, but not clearly, are known as translucent. Like oily paper, polythene, oil and fiber sheet.
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