STC Plant Growth and Development Lesson 10: Looking at Flowers Kennewick School District.

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.


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:


Record your observations of the flower in your notebook (right-hand side). Draw the flower and label the parts.


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.


Reading Selection: The Crucifer Family


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


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!


Which crucifers have you tasted?


Be sure to watch your plants closely for changes in the flowers over the next week.


Update your Table of Contents


anther

The part of the stamen that produces pollen.

Add this vocabulary word and its meaning to your glossary.


petal

A brightly colored part of a flower.



pistil

The female part of the flower that consists of the stigma, style, and ovary.



pollen

A fine, usually yellow, dust that is produced in the anther and is used to fertilize the seeds of the plant.



stamen

The male part of a flower that consists of the anther and filament.



stigma

The sticky tip of a flower pistil on which pollen is deposited.



STC Plant Growth and Development Lesson 10: Looking at Flowers Kennewick School District.

Documents

Transcript of STC Plant Growth and Development Lesson 10: Looking at Flowers Kennewick School District.