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.
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1. What are the different types of materials around us? |
2. How can we classify materials based on their properties? |
3. What is the importance of materials in our daily life? |
4. How do we use different materials for different purposes? |
5. What role do natural resources play in providing materials? |
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