10,000 Miles Away Learning: Homeschool . 科學 . Concept 1 Unit 1 Plants 2 . Parts of a Plant . Herbaceous . Woody . Flowering . Nonflowering

~ 09/22/2021 ~

參考之前學習過的 Plants 植物

弟弟按照花朵模型繪製的 Parts of A Plant

圖書館設備齊全，可以借用/讀適合國小年紀的 STEM Kit

配合這一期的組題 — Plants，媽媽借了 Plant STEM Kit。

其中這個 cross section flower model 很讚哦！

弟弟也記錄了植物各個部位功能

媽媽也跟著繪製了一張圖

Plant STEM Kit 還包含了 Leaf Rubbing Plates

弟弟超愛的，嚷著媽媽跟他一起做。

弟弟喜歡單一的顏色，而且認真的細彩

媽媽喜歡五顏六色，橫放著蠟筆彩色，

所以葉子細膩的部分勾畫不出來

STEM Kit 裡的磁鐵組

Parts of a Plant

Roots

Roots act like straws absorbing water and minerals from the soil. Tiny root hairs stick out of the root, helping in the absorption. Roots help to anchor the plant in the soil so it does not fall over. Roots also store extra food for future use.

Stems

Stems do many things. They support the plant. They act like the plant's plumbing system, conducting water and nutrients from the roots and food in the form of glucose from the leaves to other plant parts. Stems can be herbaceous like the bendable stem of a daisy or woody like the trunk of an oak tree.

Leaves

Most plants' food is made in their leaves. Leaves are designed to capture sunlight which the plant uses to make food through a process called photosynthesis.

Flowers

Flowers are the reproductive part of most plants. Flowers contain pollen and tiny eggs called ovules. After pollination of the flower and fertilization of the ovule, the ovule develops into a fruit.

Fruit

Fruit provides a covering for seeds. Fruit can be fleshy like an apple or hard like a nut.

Seeds

Seeds contain new plants. Seeds form in fruit.

非花卉植物（nonflowering plants）要怎麽繁衍下一代呢？

~ 簡單跟弟弟介紹了 spores! ~

以下資料節錄自《The Great Plant Escape - Nonflowering Plants》

Some plants don't produce flowers and seeds. Plants such as ferns and mosses are called nonflowering plants and produce spores instead of seeds. There is also another group called the Fungi, that include mushrooms, and these also reproduce by spores. We often think of these individuals as "non photosynthetic plants" when in fact they belong to their very own group or kingdom.

Spores are microscopic specks of living material. Ferns produce their spores on the undersides of the leaves (fronds). You may have seen them. They are the brown "spots" or "pads" on the bottom of the leaves. If you have access to a microscope, use it to look at the spores. You will find them to be a variety of shapes and unique to each kind of fern.

Life Cycle of a Fern The life cycle of the fern

has two different stages;

sporophyte, which releases spores,

and gametophyte, which releases gametes.

Gametophyte plants are haploid,

sporophyte plants diploid.

This type of life cycle is called alternation of generations.

To follow the life cycle of the fern, begin at number one below.