Very Short Question Answers: Materials Around Us

Q1: What is a material?
Ans: A material is a substance used to make an object.

Q2: Name a property that can be used to group materials.
Ans: Hardness.

Q3: What type of material is used for making windows?
Ans: Glass.

Q4: Give an example of a lustrous material.
Ans: Gold.

Q5: What is the process of arranging objects into groups called?
Ans: Classification.

Q6: Which material is used for making furniture?
Ans: Wood.

Q7: What is the main characteristic of opaque materials?
Ans: They do not allow light to pass through.

Q8: What type of pottery was developed in the Sindhu-Sarasvati region around 4000 BCE?
Ans: Wheel-turned pottery.

Q9: Can rubber be considered a hard material?
Ans: No, rubber is considered soft relative to metals.

Q10: Name an example of a translucent material.
Ans: Frosted glass.

Q11: What is matter?
Ans: Matter is anything that takes up space and has weight.

Q12: What is the unit of mass?
Ans: The unit of mass is the kilogram (kg).

Q13: What are soluble materials?
Ans: Soluble materials can dissolve in water, like sugar and salt.

Q14: What is an example of an insoluble material?
Ans: Sand is an example of an insoluble material.

Q15: What does volume measure?
Ans: Volume measures the amount of space an object occupies.

Q16: How is the volume of a liquid typically measured?
Ans: The volume of a liquid is usually measured in liters (L) or milliliters (mL).

Q17: What happens when you mix oil and water?
Ans: Oil forms a separate layer on top of water because it is less dense.

Q18: What is ORS used for?
Ans: ORS is used to treat dehydration caused by diarrhea or illnesses.

Q19: What is the SI unit for volume?
Ans: The SI unit for volume is the cubic meter (m³).

Q20: What are the 20 properties in Ayurveda?
Ans: The 20 properties are ten pairs of opposite qualities used to describe matter.