Class 6 Science – Materials Around Us
📝 One-Line Answer Questions (25 Qs)
1. What is meant by material?
The substance used to make an object.
2. Give two examples of objects made from a single material.
Glass tumbler (glass), Iron nail (iron).
3. Give two examples of objects made from more than one material.
School bag (cloth + zip + plastic), Bicycle (metal + rubber + plastic).
4. What is classification?
The method of arranging objects into groups based on properties.
5. Name two lustrous (shiny) materials.
Gold, Copper.
6. Name two non-lustrous (dull) materials.
Wood, Paper.
7. Give two examples of hard materials.
Stone, Iron.
8. Give two examples of soft materials.
Cotton, Sponge.
9. What are transparent materials?
Materials through which objects can be seen clearly.
10. Give two examples of transparent materials.
Glass, Clean water.
11. What are translucent materials?
Materials through which objects can be seen, but not clearly.
12. Give two examples of translucent materials.
Frosted glass, Butter paper.
13. What are opaque materials?
Materials that do not allow light to pass through.
14. Give two examples of opaque materials.
Wood, Cardboard.
15. Name two soluble materials in water.
Salt, Sugar.
16. Name two insoluble materials in water.
Sand, Chalk powder.
17. Why is water called a universal solvent?
Because it can dissolve many substances.
18. Which gas dissolves in water and helps fish survive?
Oxygen.
19. What is mass?
The amount of matter in an object.
20. What is the SI unit of mass?
Kilogram (kg).
21. What is volume?
The space occupied by matter.
22. What is the SI unit of volume?
Cubic metre (m³).
23. Define matter.
Anything that has mass and occupies space.
24. Is air matter? Why?
Yes, because it has mass and occupies space.
25. Why is plastic called both a boon and a bane?
It is useful (cheap, strong, waterproof) but harmful to the environment if misused.
📝 Fill in the Blanks (20 Questions)
1. The substance used to make an object is called __________.
Material
2. A chair can be made of wood, plastic or __________.
Metal
3. The method of arranging objects into groups is called __________.
Classification
4. Metals like gold and copper are __________ (lustrous / non-lustrous).
Lustrous
5. Wood and paper are __________ materials.
Non-lustrous
6. Stone and iron are examples of __________ materials.
Hard
7. Cotton and sponge are examples of __________ materials.
Soft
8. Materials through which we can see clearly are called __________.
Transparent
9. Glass and clean water are __________ materials.
Transparent
10. Frosted glass and butter paper are __________ materials.
Translucent
11. Wood and cardboard are __________ materials.
Opaque
12. Substances that completely disappear in water are called __________.
Soluble
13. Salt and sugar are __________ in water.
Soluble
14. Sand and chalk powder are __________ in water.
Insoluble
15. Water is called a __________ solvent.
Universal
16. __________ gas dissolves in water and helps fish survive.
Oxygen
17. The amount of matter in an object is called __________.
Mass
18. The SI unit of mass is __________.
Kilogram (kg)
19. The space occupied by matter is called __________.
Volume
20. Anything that has mass and occupies space is called __________.
Matter
📝 True or False (20 Questions)
1. An object can be made of one or more materials. ( )
True
2. A school bag is made of a single material. ( )
False
3. Classification means grouping objects based on their properties. ( )
True
4. Gold and copper are non-lustrous materials. ( )
False
5. Wood and paper are lustrous materials. ( )
False
6. Stone and iron are hard materials. ( )
True
7. Cotton and sponge are soft materials. ( )
True
8. Transparent objects do not allow light to pass. ( )
False
9. Glass and clean water are transparent materials. ( )
True
10. Frosted glass is translucent. ( )
True
11. Wooden doors are opaque. ( )
True
12. Salt and sugar dissolve in water. ( )
True
13. Sand and chalk powder are soluble in water. ( )
False
14. Water is called a universal solvent. ( )
True
15. Oxygen gas dissolves in water and helps fish breathe. ( )
True
16. Mass is the amount of matter in an object. ( )
True
17. The SI unit of mass is gram. ( )
False
18. Volume is the space occupied by matter. ( )
True
19. Air is not matter. ( )
False
20. Plastic is always useful and never harmful. ( )
False
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