Mississippi State Building Construction Science Exam 4
Professor Carson
Bark - AnswerOutermost protective layer of trees.
Dead - AnswerIs the outermost layer of bark (outer bark) living or dead?
Cambium layer - AnswerPart of the tree where growth takes place. Source of new cells.
Sapwood - AnswerTree layer that consists of living cells that store and transport nutrients.
Heartwood - AnswerTree layer that consists of dead cells that contribute to structural
strength.
Pith - AnswerInnermost part of a tree, first year's growth.
Annual Growth Rings - AnswerResult from differences in rate of tree growth and density of
cells, from spring to summer.
Cone-Bearing (Coniferous) trees - AnswerWhat kind of trees do softwoods come from?
True - AnswerT/F Softwoods have a relatively simple cell structure.
1. Mostly originating from North American forests.
2. Fast-growing, plentiful, relatively inexpensive.
, 3. Generally soft, easily worked.
4. Used for structural wood products, finish trim, shingles, siding, flooring.
5. But not all softwoods are soft. For example, Douglas Fir is harder than some hardwoods. -
AnswerWhat are five facts about Softwood trees?
Southern Yellow Pine, Spruce, Douglas Fir, Cedar, Cypress. - AnswerWhat types of trees are
considered to be Softwoods?
Broadleaf (deciduous) trees - AnswerWhat kind of trees do Hardwood trees come from?
True - AnswerT/F Hardwoods have a more complex cell structure.
Oak trees - AnswerWhat is a common species of Hardwood trees?
1. Harvested from around the world
2. Slower growing, generally more expensive than softwoods
3. Denser, with greater variety of colors and figure
4. Used for fine trim, paneling, flooring, fine cabinet work, furniture - AnswerWhat are four
facts of hardwood trees?
1. Protect forest ecosystem.
2. Maintain long term forest economic viability.
3. Some programs also address social responsibilities, for example, the land rights of
indigenous peoples. - AnswerWhat are three characteristics of sustainable forestry
management?
Forest Stewardship Council (FSC) - AnswerOnly certifying organization currently recognized
for LEED certification. Organization established to promote the responsible management of
the world's forests.
Professor Carson
Bark - AnswerOutermost protective layer of trees.
Dead - AnswerIs the outermost layer of bark (outer bark) living or dead?
Cambium layer - AnswerPart of the tree where growth takes place. Source of new cells.
Sapwood - AnswerTree layer that consists of living cells that store and transport nutrients.
Heartwood - AnswerTree layer that consists of dead cells that contribute to structural
strength.
Pith - AnswerInnermost part of a tree, first year's growth.
Annual Growth Rings - AnswerResult from differences in rate of tree growth and density of
cells, from spring to summer.
Cone-Bearing (Coniferous) trees - AnswerWhat kind of trees do softwoods come from?
True - AnswerT/F Softwoods have a relatively simple cell structure.
1. Mostly originating from North American forests.
2. Fast-growing, plentiful, relatively inexpensive.
, 3. Generally soft, easily worked.
4. Used for structural wood products, finish trim, shingles, siding, flooring.
5. But not all softwoods are soft. For example, Douglas Fir is harder than some hardwoods. -
AnswerWhat are five facts about Softwood trees?
Southern Yellow Pine, Spruce, Douglas Fir, Cedar, Cypress. - AnswerWhat types of trees are
considered to be Softwoods?
Broadleaf (deciduous) trees - AnswerWhat kind of trees do Hardwood trees come from?
True - AnswerT/F Hardwoods have a more complex cell structure.
Oak trees - AnswerWhat is a common species of Hardwood trees?
1. Harvested from around the world
2. Slower growing, generally more expensive than softwoods
3. Denser, with greater variety of colors and figure
4. Used for fine trim, paneling, flooring, fine cabinet work, furniture - AnswerWhat are four
facts of hardwood trees?
1. Protect forest ecosystem.
2. Maintain long term forest economic viability.
3. Some programs also address social responsibilities, for example, the land rights of
indigenous peoples. - AnswerWhat are three characteristics of sustainable forestry
management?
Forest Stewardship Council (FSC) - AnswerOnly certifying organization currently recognized
for LEED certification. Organization established to promote the responsible management of
the world's forests.
