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