Properties of Materials

What characteristic makes metal suitable for building cars, airplanes, and buildings?

• Lightweight and flexible

• Strong and durable

• Natural and versatile

• Elastic and stretchable

Which type of wood is described as strong and durable, making it ideal for furniture and flooring?

• Pine

• Cedar

• Hardwoods like oak and maple

• Softwoods like pine and cedar

What is the first step in making paper from trees?

• Grinding wood into pulp

• Mixing pulp with water and chemicals

• Spreading out and drying the mixture

• Cutting down trees and removing bark

What property makes rubber valuable for products like hoses, shoes, and sporting equipment?

• Its ability to conduct electricity

• Its elasticity and ability to stretch and return to shape

• Its lightweight and flexible nature

• Its resistance to heat and corrosion

Which metal is an excellent conductor of electricity and commonly used in electrical wiring?

• Iron

• Aluminum

• Copper

• Gold

What property makes ceramics suitable for applications requiring resistance to high temperatures and corrosive environments?

• Lightweight

• Transparency

• Hardness and durability

• Electrical conductivity

What is the primary naturally occurring mineral used to create glass?

• Clay

• Silica

• Fossil fuels

• Cotton

What is a major environmental concern related to plastics?

• They are too expensive to produce.

• They biodegrade too quickly.

• They take a long time to biodegrade and have negative environmental impacts.

• They are not versatile enough for many applications.