Turn over a new leaf in how you teach gas exchange and transpiration today!
Teach gas exchange and movement of water in one model. Your students make the specialised plant cells then solve the puzzle of how they go together to make a leaf. They can then follow how water moves through a leaf during transpiration and look at the exchange of oxygen and carbon dioxide during photosynthesis. Furthermore, you can combine gas exchange and transpiration to give a deeper understanding of what is happening inside the leaf. The guard cells even move to open and close the stoma!
Covers: leaf structure, plant cell specialisation, transpiration, gas exchange, stomata.
Includes full colour Powerpoint class presentation!
Takes about 30 minutes. Dimensions (h x w): 26cm x 16cm/10in x 6in.
Download includes: instructions, colour & mono model templates, and Powerpoint file.
All you need: paper, scissors, glue or tape.
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