Mechanics book 1 unit 7 Materials

A brittle material used to make windows

• cast iron

• leather

• glass

• lightweight

• fiberglass

A durable metal used to make engine blocks

• cast iron

• leather

• glass

• lightweight

• fiberglass

Low in mass relative to volume

• cast iron

• leather

• glass

• lightweight

• fiberglass

Material composed of fine filaments

• cast iron

• leather

• glass

• lightweight

• fiberglass

A flexible material made from animal skin

• cast iron

• leather

• glass

• lightweight

• fiberglass

A) The body of this car is made of ...................

• 1. rubber

• plastic

1.    B) Tire manufacturers use much of the world’s ................

• 1. rubber

• plastic

1. A) The frame of the truck is made of ...............

• 1. steel

• 1. aluminum

1.    B) The wheel rims are made of lightweight ..

• 1. steel

• 1. aluminum

1. What materials are commonly used to build the frames of cars and trucks?

• a) Steel                                                                

• b) Cast iron

• c) Aluminum   

•                                                    d) Plastic