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