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Lesson: Plant Behavior Science • 4th Grade

In this lesson, we will learn how to investigate how plants change their behavior in response to their environment.

Lesson Plan

Students will be able to

define the terms stimulus, response, and tropism,
identify examples of stimuli in a plant’s environment,
identify and describe types of tropism in plants including phototropism, gravitropism, hydrotropism, and thigmotropism.

Q1:

Plant roots usually grow downward, in the same direction as the force of gravity.

What is this type of tropism called?

Q2:

Fill in the blanks: Plant stems usually grow because of .

Q3:

When a lamp was put above a plant, the plant grew upward.

The lamp was then moved to the side of the plant.

Fill in the blank: The plant is .