Materials and Properties

Which of the following materials is transparent and allows light to pass through easily?

• Wood

• Glass

• Cloth

What property makes wood suitable for building structures such as houses and furniture?

• Strength and durability

• Flexibility

• Transparency

What type of material is commonly used to make clothing due to its flexibility and comfort?

• Plastic

• Glass

• Cloth

Which material is often used for packaging due to its lightweight and versatility?

• Paper

• Plastic

• Glass

What property of paper makes it suitable for writing and printing?

• Smooth texture

• Transparency

• Heavy weight

What type of material allows electricity to flow through it easily?

• Conductor

• Insulator

• Both of them

Which of the following materials is a good conductor of electricity?

• Copper

• Rubber

• Wood

What property makes a material a good conductor of heat?

• Low density

• High density

• High thermal conductivity

Which material is commonly used as an insulator in electrical wires?

• Plastic

• Aluminum

• Silver

Why are some materials good conductors of electricity?

• • They have free electrons that can move easily.

• • They are colorful.

• • They are heavy.