Here are 10 one-word answer type questions based on the chapter “Sorting Materials into Groups” from the Class 6 NCERT Science textbook, with answers and explanations included:
1. Question: Which property allows light to pass completely through a material?
Answer: Transparent
Explanation: Transparent materials like glass allow light to pass through them, so objects can be clearly seen.
2. Question: What do we call materials that do not allow light to pass through?
Answer: Opaque
Explanation: Opaque materials like wood or metal block light completely and you cannot see through them.
3. Question: What kind of materials allow light to pass partially but not clearly?
Answer: Translucent
Explanation: Translucent materials like oiled paper or frosted glass allow light partially but blur the image.
4. Question: What do we call materials that can be easily scratched or compressed?
Answer: Soft
Explanation: Materials like sponge or cotton are soft as they can be easily compressed or scratched.
5. Question: Which materials do not dissolve in water?
Answer: Insoluble
Explanation: Substances like sand or chalk do not dissolve in water and are called insoluble.
6. Question: What property describes the shiny appearance of some materials?
Answer: Lustre
Explanation: Materials like metals have a shiny surface called lustre, especially when freshly cut.
7. Question: Which material property allows it to be used for sieving or filtering?
Answer: Size
Explanation: Sieving works because different substances have particles of different sizes.
8. Question: What do we call materials that float on water?
Answer: Light
Explanation: Materials that float are generally lighter than water, such as plastic or dry leaves.
9. Question: What do we call the ability of a substance to mix in water?
Answer: Soluble
Explanation: A substance that dissolves completely in water, like salt or sugar, is called soluble.
10. Question: Which property of a material is checked when we rub it with sandpaper?
Answer: Hardness
Explanation: Hardness is checked by trying to scratch a material; harder materials resist scratching.
Let me know if you’d like similar questions from the next chapter or all chapters compiled together!
