Tree Cookie / Parts of a Tree Trunk

Front

How many rings do most trees grow each year?

Back

Most trees grow one ring each year, but some species can grow two.

Front

True or False: Heartwood is alive.

Back

False. Heartwood is the dead inner core of a tree.

Front

Which layer is the thinnest and basically impossible to see?

Back

The cambium layer is the thinnest and is only one cell thick.

Front

What does phloem in the tree carry?

Back

Phloem carries materials down from the leaves.

Front

What is the pale colored ring that grows at the beginning of the year called?

Back

The pale colored ring is called early wood.

Front

What is the function of xylem in a tree?

Back

Xylem transports water and nutrients from the roots to the leaves.

Front

What is the outermost layer of a tree trunk called?

Back

The outermost layer is called the bark.

Front

What is the purpose of the cambium layer?

Back

The cambium layer is responsible for the growth of new xylem and phloem.

Front

What is the difference between early wood and late wood?

Back

Early wood is formed in the spring and is lighter in color, while late wood is formed in the summer and is denser.

Front

What is heartwood?

Back

Heartwood is the central, non-living part of a tree trunk that provides structural support.