Matching Pairs photosynthesisOnline version learn about photosynthesis by Alba Monfort Torralba 1 Raw saps travels up the stem to the leaves through tubes called 2 Elaborated sap travels to all parts of the plant through 3 Plants absorb water and minerals from 4 The mixture of water and mineral salts is called 5 The leaves absorb 6 Raw saps transforms into 7 The leaves contain a green substance called carbon dioxide from the air. chlorophyll which traps sunlight. elaborated sap. their roots. tubes called phloem vessels. raw sap. xylem vessels.