What is any substance used to create an object called?

• Material
• Metal
• Plastic
• Wood

Which civilization developed advanced pottery techniques like wheel-turning and pigmentation?

• Harappan
• Roman
• Egyptian
• Mesopotamian

What is the term for baked clay used in pottery?

• Terracotta
• Porcelain
• Ceramic
• Earthenware

Which property is used to classify objects into groups?

• Common property
• Color only
• Shape only
• Size only

Why is paper not suitable for making cooking utensils?

• It cannot hold water
• It is too expensive
• It is too heavy
• It is transparent

What determines the choice of material for making an object?

• Properties and purpose
• Color and shape
• Size and weight
• Cost and availability

Which of these is a lustrous material?

• Iron
• Paper
• Wood
• Rubber

What happens to metals when exposed to air and moisture?

• They lose lustre
• They become transparent
• They dissolve
• They soften

Which material is harder: iron or rubber?

• Iron
• Rubber
• Both are equally hard
• Neither is hard

Materials through which objects can be seen clearly are called:

• Transparent
• Translucent
• Opaque
• Lustrous