TwoOldGuys™ Study Guides
BI-114 BioConcepts for Teachers
Appendix B. Laboratory Exercises
L-4. Lab Exercise 4

How Plants Move Nutrients from Soil to Leaves (& other parts)

intended for grade K (to 4)


  1. Question: Do materials travel up the plant stem?
  2. Hypothesis: materials are carried up the stem by the plant,
    I think I saw this on a television science show.
  3. alternate hypothesis: materials don't travel up the stem.
  4. State what observable event is expected to occur because the hypothesis is true;
    food coloring added to the water in a vase with flowers will move up the stem and dye the flower.

Materials and Methods

Written just like a recipe, in sufficient detail that anyone should be able to duplicate your experiment.


Depending on the age of your students, this may include descriptions, drawings, numbers and graphs, ...


[optional] you may discuss how this changes our concept of how the Universe works? This section could also stand alone as a formal essay as can the introduction.

Works Cited

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