Subjective Questions For Sorting Materials into Groups
Sorting Materials into Groups of Class 6
Subjective Questions For Sorting Materials into Groups
SUBJECTIVE TYPE QUESTIONS
1. Name two naturally occurring materials and two man-made materials.
2. Name two materials having lustre (shiny appearance).
3. Select those objects from the following which shine:
Glass bowl, Plastic toy, Steel spoon, Cotton shirt, Diamond ring
4. Name the property in which steel and sponge differ from each other.
5. Name one liquid which is miscible with water and another liquid which is immiscible with water.
6. Name two gases which dissolve in water to some extent.
7. Name two materials which are lighter than water and two which are heavier than water.
8. Name two materials which float on water and two which sink in water.
9. Which of the following materials are ‘heavier than water’ and which ‘lighter than water’ ?
Wood, Chalk, Oil, Kerosene, Iron, Copper, Ice, Aluminium, Plastic, Stone
10. Which of the following materials will float on water and which will sink in water ?
An iron nail, A plastic toy, A cube of ice, Saw-dust, Sand, Dry leaves.
11. (a) Name two solid materials which are soluble in water.
(b) Name two solid materials which are insoluble in water.
12. Which of the following are soluble in water and which are insoluble in water ?
Groundnut oil, Potassium permanganate, Alum, Wax, Sugar, Sand, Petrol, Nitrogen, Oxygen, Copper sulphate, Methane.
13. 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 ?
14. What is meant by hard materials and soft materials ? Give two examples of hard materials and two of soft materials.
15. What is meant by transparent materials, translucent materials and opaque materials ? Give two examples each of transparent, translucent and opaque materials.