Page |1
California FFA Forestry Terms Questions
and Correct Answers/ Latest Update /
Already Graded
Acre
Ans: Ten square chains, or 208.7 ft. by 208.7 ft. square, or
43,560 square ft.
Afforestation
Ans: Establishment of a forest or stand in an area not
previously forested.
Age-Class
Ans: Classification of a stand of trees based on when
regeneration started and the size classes represented.
Rotation-Age
Ans: Age at which a tree is ready to harvest.
Annual Ring
Ans: A summer and spring ring representing one growth year.
All rights reserved © 2025/ 2026 |
, Page |2
All-Aged
Ans: A stand of timber where all size classes are represented.
Aspect
Ans: Direction the slope faces.
Azimuth
Ans: Three hundred sixty (360) degrees on compass.
Back-Fire
Ans: Fire set along a control line which burns back into the fire.
Inner Bark
Ans: Area between the cambium and periderm.
Outer Bark
Ans: Layer of tissue outside of the last periderm layer.
All rights reserved © 2025/ 2026 |
, Page |3
Bearing Compass
Ans: A compass set up with four (4) 90 degree quadrants.
Tree Biomass
Ans: Weight of complete trees (living material).
Board Foot
Ans: The volume equivalent to a board one inch thick x twelve
inches wide x one foot long.
Bole
Ans: Trunk or stem of a tree.
Breast Height
Ans: A point on a tree 4.5 ft. above the ground on the uphill
side of a tree.
Controlled Burning
Ans: A deliberately started fire to accomplish a particular
management purpose.
All rights reserved © 2025/ 2026 |
California FFA Forestry Terms Questions
and Correct Answers/ Latest Update /
Already Graded
Acre
Ans: Ten square chains, or 208.7 ft. by 208.7 ft. square, or
43,560 square ft.
Afforestation
Ans: Establishment of a forest or stand in an area not
previously forested.
Age-Class
Ans: Classification of a stand of trees based on when
regeneration started and the size classes represented.
Rotation-Age
Ans: Age at which a tree is ready to harvest.
Annual Ring
Ans: A summer and spring ring representing one growth year.
All rights reserved © 2025/ 2026 |
, Page |2
All-Aged
Ans: A stand of timber where all size classes are represented.
Aspect
Ans: Direction the slope faces.
Azimuth
Ans: Three hundred sixty (360) degrees on compass.
Back-Fire
Ans: Fire set along a control line which burns back into the fire.
Inner Bark
Ans: Area between the cambium and periderm.
Outer Bark
Ans: Layer of tissue outside of the last periderm layer.
All rights reserved © 2025/ 2026 |
, Page |3
Bearing Compass
Ans: A compass set up with four (4) 90 degree quadrants.
Tree Biomass
Ans: Weight of complete trees (living material).
Board Foot
Ans: The volume equivalent to a board one inch thick x twelve
inches wide x one foot long.
Bole
Ans: Trunk or stem of a tree.
Breast Height
Ans: A point on a tree 4.5 ft. above the ground on the uphill
side of a tree.
Controlled Burning
Ans: A deliberately started fire to accomplish a particular
management purpose.
All rights reserved © 2025/ 2026 |