NEW
Font size
WorksheetsBUILDING MATERIAL
Total questions: 10
Worksheet time: 5mins
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
