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