Here are 10 one-word answer type questions based on the subtopic “Properties of Materials” from the chapter Sorting Materials into Groups in Class 6 NCERT Science, with answers and explanations included:
1. Question: What do we call materials that allow us to see through them clearly?
Answer: Transparent
Explanation: Transparent materials like glass allow full passage of light and clear visibility through them.
2. Question: What kind of materials do not allow any light to pass through?
Answer: Opaque
Explanation: Opaque materials such as wood and metal block light completely and cannot be seen through.
3. Question: What kind of materials allow only partial light to pass through?
Answer: Translucent
Explanation: Translucent materials like butter paper allow some light to pass but not clear images.
4. Question: What property describes how easily a material can be scratched or pressed?
Answer: Hardness
Explanation: Hard materials like stone resist scratching, while soft materials like sponge can be pressed easily.
5. Question: What is the property of a material that allows it to dissolve in water?
Answer: Solubility
Explanation: Solubility refers to the ability of substances like sugar or salt to dissolve in water.
6. Question: What kind of materials do not dissolve in water?
Answer: Insoluble
Explanation: Substances like sand and chalk do not dissolve in water and are called insoluble.
7. Question: What do we call the shiny appearance of some materials like metals?
Answer: Lustre
Explanation: Lustre is the shine seen on materials like gold, copper, and aluminium, especially when freshly cut.
8. Question: What property describes whether an object floats or sinks in water?
Answer: Density
Explanation: An object’s ability to float or sink depends on its density compared to water.
9. Question: What is the rough or smooth feel of a material known as?
Answer: Texture
Explanation: Texture describes how a material feels to touch—rough like sandpaper or smooth like glass.
10. Question: What do we use to test the hardness of materials?
Answer: Scratch
Explanation: Scratching with a hard object like a key helps test whether a material is hard or soft.
Let me know if you’d like questions from the next subtopic or a combined quiz!
