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