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Read an introduction about
basic requirements for life shared by all living
organisms and how plants, in general, reproduce. homework—The Incredible, Edible Plant
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Use
the Internet to learn the specifics about how corn
reproduces and compare the reading to both an ear of
corn and a dissected corn seed. classroom activity—Making
Corn Babies
-
Germinate some seeds and make
baseline observations, like how they look,
when they emerge, how much they grow each day, etc.
classroom activity—The Saga of the Corn Embryo
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Discuss plants and what was
learned about them in small groups and then in large
group. classroom activity
-
Complete a bioassay that will then be used in an experiment
designed by the student. classroom activity—Leaf
Elongation Bioassay in Zea mays, or
Zea mays,
Responding to the Environment
-
Discuss results and questions
and
choose one factor to further investigate. classroom
activity
-
Design an experiment to try
and answer the chosen question. Discuss possibilities
for a design with group members. classroom and
homework—The Experiment
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Complete the experiment. classroom
activity
-
Analyze data by finding
averages, or using some other appropriate calculation
and then making graphs to further analyze the data, etc.
Microsoft Excel is an excellent tool for this process.
classroom and homework
-
Discuss the results in small
group and as a large group. Try to analyze each other’s
methods to determine if all variables are being
considered, if the control is properly used, and whether
the experiment is a valid test of the hypothesis.
classroom activity
-
Write a formal lab report. homework
-
Complete
Zoom in on a Leaf to
observe the mechanism
for controlling transpiration rates.
-
a) Make
stomatal peels
to observe how stomates open and close in response to
changing environmental conditions.
b) Try studying stomatal behavior after placing a fan in
front of the plants for 30 minutes or after misting the
plants with water.
-
Discuss the results of the
stomatal peel experiments.