Which material is made by melting silica at high temperatures?

• Glass

• Ceramics

• Rubber

Which property is most associated with plastics?

• Strength

• Lightweight

• Conductivity

Which branch of engineering focuses on designing infrastructure?

• Mechanical engineering

• Civil engineering

• Chemical engineering

Which property of metals makes them useful in construction?

• Durability and strength

• Elasticity

• Transparency

What is the environmental benefit of using sustainable materials?

• Lower production costs

• Improved product durability

• Reduced environmental impact

What material is often used in the manufacturing of car seats?

• Metal

• Plastic

• Fabric

What are ceramics primarily made from?

• Metal

• Clay

• Silica

building castles in the air means...

• daydreams that will never come to pass

• modern constructions on Moon

• interesting ideas of engineers

What is the main source of paper?

• Rubber trees

• Synthetic fibers

• Plant fibers (trees)

What is the primary concern with the use of plastics?

• Lack of flexibility

• Environmental impact

• High cost