Complete the sentences with words and phrases from the list: active transport, condenses, cortex, diffusion, evaporates, flows, gas, guard, liquid, osmosis, root hair, stomata, spongy mesophyll, water vapour. You may use each item once, more than once, or not at all. Water on the surface of [BLANK] cells [BLANK]. The water vapour moves out of the leaf by [BLANK] into the atmosphere through openings in the leaf called [BLANK].
Work out the difference in mass for leaf F and record your answer in Table 2.1.
Explain how the different treatments of the leaves changed their loss of mass. Use information from Fig. 2.1 and Table 2.1 to support your response.
Suggest why the mass lost by leaves G and H was different.
State the letter on Fig. 2.2 that marks a cell where photosynthesis happens.
State the letter on Fig. 2.2 that identifies the part of the plant which moves water from the roots to the leaves, and state its name.