Plant Transpiration Lesson Plan

We’ll be wrapping up our botany studies in a couple weeks, but I have been meaning to post more of the lesson plans I have put together.  If you missed any of the previously posted lessons, just do a search in the box above for “lesson plan”, and they should pop up for you.

This week, our botany focus is on transpiration, which is how plants transport water and nutrients from the roots to the very tip of the plant and then lose the water via evaporation through stomata on the leaves.

We will start off with these transpiration videos, courtesy of YouTube:

I printed this image to use as a coloring sheet for my girls:

Cole (5th grade) will narrate his understanding of the transpiration process by drawing something similar to the image above, with accurate labels.

I added quite a few vocabulary words to this lesson, which the girls should become familiar with, but Cole will be required to know their definitions, and spell them correctly.  I expect Sydni (2nd grade) to be able to spell and remember quite a few of them.

1. Transpiration
2. Xyelm
3. Phloem
4. Molecules
5. Evaporation
6. Cohesion
7. Solutes
8. Stoma/Stomata
9. Carbon dioxide
10. Osmosis

Most of the definitions can be found on Enchanted Learning’s Botany Dictionary, which is pretty cool!

Finally, we’ll be conducting both of the experiments found here, with the girls giving oral narrations, and Cole writing out formal science report forms.  Everyone is familiar with the carnation in colored water, right?  The other one is also very easy, and everyone should have a plastic bag in their home, with access to two small branches of some kind.

We will also try this one that explores the role of the stomata in transpiration.  It’s another easy experiment, using common household items.

Leave a comment


  1. I need to get to work on botany. Our “spring” is so short (February/March) that we really put a lot of time into our gardening. So that’s what we have been doing a lot of..hands on gardening. Summer (which comes in April and ends in October) brings 30 days of rain in either June or July and usually takes away all the work we’ve done.

  2. Traci's Teaching Times

     /  March 22, 2011

    I need to require my children to learn the definitions to vocabulary words to things we study. We do look up definitions and discuss them, but I don’t require them to learn them. Keep up the good work.


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