Building Materials, page 46

Houses and towers are not structures.

• true

• false

A structure is something that is constructed.

• true

• false

Many structures have concrete and steel.

• true

• false

Other materials used in structures are glass, wood, stone, and brick.

• true

• false

Each kind of material does not have its own properties and uses.

• true

• false

The windows of these homes are glass.

• true

• false

The window frames are wood.

• true

• false

Some of the outside walls are brick and mortar.

• true

• false

Steel holds the bricks together.

• true

• false

Bridges are structures.

• true

• false