wood

Question 1

fibrous substance

Answer 1

wood

Question 2

provides mechanical protection

Answer 2

outer bark

Question 3

produced by photosynthesis are translocated from leaves to roots

Answer 3

inner bark

Question 4

layer bet. bark and wood

Answer 4

cambium

Question 5

living wood (roots to leave)

Answer 5

sapwood

Question 6

extending from the pith to sapwood

Answer 6

heartwood

Question 7

softcore, near center

Answer 7

pith

Question 9

sheets of ribbons

Answer 9

medullary rays

Question 10

grows by addition inwards

Answer 10

endogenous

Question 11

grows by addition outwards

Answer 11

exogenous

Question 12

divides to develop larger branches. harder and more valuable

Answer 12

hardwood

Question 13

straight trunk smaller branches. softer and less durable

Answer 13

softwood

Question 14

right handed direction

Answer 14

interlocked-grained wood

Question 15

result of sawing

Answer 15

diagonal-grained wood

Question 16

fibers take a spiral course

Answer 16

spiral-grained wood

Question 17

fibers run parallel to the axis

Answer 17

straight-grained wood

Question 18

fibers collectively form of waves or undulations

Answer 18

wavy-grained wood

Question 19

irregularity occuring in or on timber

Answer 19

defect

Question 20

portion of a branch that has been surrounded by subsequent growth

Answer 20

knot

Question 21

separation along the grain that occurs bet. rings of annual growth

Answer 21

shake

Question 22

separation of wood that occurs accross annual rings

Answer 22

check

Question 23

separation of wood caused by tearing apart of the wood cells

Answer 23

split

Question 24

perpendicular to flat face

Answer 24

bow

Question 25

perpendicular to edge

Answer 25

crock

Question 26

straight line accross the width

Answer 26

cup

Question 27

distortion caused by turning or winding

Answer 27

twist

Question 28

bark or lack of wood

Answer 28

wane

Question 29

result of heavy tools or things that dropped accidentally

Answer 29

torn grain

Question 30

cut through the planning of machine

Answer 30

chip mark

Question 31

any dry; crushed easily

Answer 31

dry rot

Question 32

caused by fungi; convert into grayish brown powder

Answer 32

wet rot

Question 33

moisture content is mor that 25%; fungi attack make it discolored

Answer 33

sap stain

Question 34

fungi attack the heartwood

Answer 34

heart rot

Question 35

sawn parallel

Answer 35

plain sawn lumber

Question 36

sawed so that wide surfaces extend approx.

Answer 36

quarter sawn lumber

Question 37

removing moisture

Answer 37

seasoning

Question 38

traditional method

Answer 38

air drying

Question 39

using a large chamber or oven

Answer 39

kiln drying