BUILDING MATERIAL

TRUE or FALSE:

Wood is composed of tiny cells that are held together with a natural cement called lignin.

• TRUE

• FALSE

TRUE or FALSE:

Trees grow by forming new wood cells, and reach full maturity and stop growing when new cells stop forming.

• TRUE

• FALSE

TRUE or FALSE:

Annual rings begin at the center of the trunk and continue outward to the bark. Each ring represents a year of cellular growth.

• TRUE

• FALSE

TRUE or FALSE:

The moisture content of wood is the percentage of its weight that is water.

• TRUE

• FALSE

TRUE or FALSE

Heartwood is found in the center of a log and comprises the majority of useful material of that log.

• TRUE

• FALSE

TRUE or FALSE:

Annual rings begin at the center of the trunk and continue outward to the bark.

• FALSE

• TRUE

TRUE or FALSE

Each annual ring represents a year of cellular growth.

• FALSE

• TRUE

TRUE or FALSE:

The bark of a tree is worse than it's bite

• TRUE

• FALSE

• ALL OF THE ABOVE

TRUE or FALSE:

Most lumber shrinkage occurs across the grain.

• TRUE

• FALSE

TRUE or FALSE:

A 2″ × 4″ × 8′ piece of lumber will shrink more across its 2″ thickness and 4″ width than along its 8′ length.

• TRUE

• FALSE