stc plant growth and development lesson 10: looking at flowers kennewick school district
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STC Plant Growth and Development
Lesson 10: Looking at Flowers
Kennewick School District
Materials listFor each student: Student notebook 1 flowering plant
For every two students: 1 hand lens
STC Plant Growth and Development Lesson 10: Looking at Flowers
Observe your plants with a hand lens. If your plant is not flowering yet, share a flowering plant with another student.
STC Plant Growth and Development Lesson 10: Looking at Flowers
Four petals—yellow and rounded Six anthers—two short and four tall Yellow pollen Pistil—in the center Stigma—sticky top of the pistil
Use your hand lens to see the following parts of the Brassica flower:
STC Plant Growth and Development Lesson 10: Looking at Flowers
Record your observations of the flower in your notebook (right-hand side). Draw the flower and label the parts.
STC Plant Growth and Development Lesson 10: Looking at Flowers
We will continue to observe the flowers closely over the next week. You will notice the following changes:
Petals will fade and fall.
After pollination, the pistil will enlarge and become the seed pod.
STC Plant Growth and Development Lesson 10: Looking at Flowers
Reading Selection: The Crucifer Family
STC Plant Growth and Development Lesson 10: Looking at Flowers
Crucifers We Eat
Cabbage Turnip Collard Watercress Kohlrabi Choy sum Cauliflower Broccoli Rutabaga
The crucifers are an important food crop in many parts of the world. Which ones have you tasted?
Radish Kale Horseradish Pak choi
(Chinese mustard) Brussels sprouts Mustard greens
STC Plant Growth and Development Lesson 10: Looking at Flowers
Some crucifer seeds are crushed for their oil. Others, like turnips, kale and rutabagas, are good for sheep and cattle as well as for people. Still others, like alyssum and candytuft, are known for their beautiful flowers. There is even a branch of “bad guys” in the family, some pesky weeds!
STC Plant Growth and Development Lesson 10: Looking at Flowers
Which crucifers have you tasted?
STC Plant Growth and Development Lesson 10: Looking at Flowers
Be sure to watch your plants closely for changes in the flowers over the next week.
STC Plant Growth and Development Lesson 10: Looking at Flowers
Update your Table of Contents
STC Plant Growth and Development Lesson 10: Looking at Flowers
anther
The part of the stamen that produces pollen.
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STC Plant Growth and Development Lesson 10: Looking at Flowers
petal
A brightly colored part of a flower.
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STC Plant Growth and Development Lesson 10: Looking at Flowers
pistil
The female part of the flower that consists of the stigma, style, and ovary.
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STC Plant Growth and Development Lesson 10: Looking at Flowers
pollen
A fine, usually yellow, dust that is produced in the anther and is used to fertilize the seeds of the plant.
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STC Plant Growth and Development Lesson 10: Looking at Flowers
stamen
The male part of a flower that consists of the anther and filament.
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STC Plant Growth and Development Lesson 10: Looking at Flowers
stigma
The sticky tip of a flower pistil on which pollen is deposited.
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STC Plant Growth and Development Lesson 10: Looking at Flowers