Match the vocabulary word to the definition or function.

a) Pore space
b) Percolation
c) Respiration
d) Dirt
e) Permanent wilting point
f) Field capacity
g) Water holding capacity

Definitions/Functions:

i. The open spaces between soil particles
ii. Movement of water through the soil
iii. The process of breathing or gas exchange in plants
iv. Soil or earth, especially when loose or soft
v. The moisture content of soil at which plants wilt and do not recover
vi. The maximum amount of water soil can hold against gravity
vii. The ability of soil to retain water for plant use