"Seeds Become Seedlings" Plant Growth Changes PPT Courseware 2

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"Seeds Become Seedlings" Plant Growth Changes PPT Courseware 2

1. Growth changes of impatiens

When and what the impatiens looked like when they were first unearthed.

What color are the newly unearthed impatiens flower stems?

What do impatiens leaves look like when they are just unearthed?

What is the difference between the first pair of leaves and later leaves?

How are the impatiens leaves arranged on the stem?

Impatiens’ Observation Diary

March 15 (seeding)

1. Select seeds that are plump and undamaged.

2. Choose a suitable flower pot, place a small tile on the water outlet of the flower pot and fill it with an appropriate amount of loose, fertile, slightly acidic soil.

3. Use your fingers to make 2 to 3 small holes in the soil, with a depth of about 1 cm. Place 1 impatiens seed in each small hole, and then cover it with soil.

4. Pour appropriate amount of water into the flowerpot to moisten the soil, and place it in a warm place.

2. Leaves provide “food” for plants

Where does the food that plants need to grow come from?

After years of research, scientists have discovered that most plants can produce their own "food" - nutrients.

Guide students to study the content on page P11 of the science book.

Class summary

1. A seed can develop into a plant and produce many seeds under suitable environment.

2. Green flowering plants reproduce through seeds.

3. Green flowering plants will go through seed germination, seedling stage, vegetative growth stage and flowering and fruiting stage in their life;

4. The growth and development of plants require sunlight, soil, suitable moisture and temperature, etc.

By growing impatiens, I learned:

1. The function of roots is to absorb water, and the function of leaves is ________.

2. The first pair of leaves that a plant grows are called ________, and the second pair and subsequent leaves are called ________.

3. The green leaves of plants can produce _________ needed for plant growth.

4. The leaves of impatiens grow ________ on the stems, which is conducive to receiving more sunlight for _________ function.

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For more information about the PPT courseware "Plant Growth Changes, Seeds Become Seedlings", please click on Plant Growth Changes PPT Seeds Become Seedlings PPT tag.

"Seeds Become Seedlings" PPT download of plant growth changes:

"Seeds Turn into Seedlings" Plant Growth Changes PPT Download Part One: Introduction of New Knowledge People need to supplement various nutrients when they grow up. How do we obtain nutrients? 1. Where do the nutrients needed for plant growth and development come from? 2. They...

"Seeds become seedlings" Plant growth changes PPT:

"Seeds Become Seedlings" Plant Growth Changes PPT Part One: Changes in Seedlings after Unearthing From seeds to seedlings, we have recorded many facts about the growth changes of impatiens. Now let's share our observation records! In the three weeks before the exchange, Impatiens...

"Seeds Become Seedlings" Plant Growth Changes PPT Courseware 3:

"Seeds Become Seedlings" Plant Growth Changes PPT Courseware 3 1. Share our observation records 1. The time when the impatiens was unearthed is: 3.23 (sowing) 4.3 (seedlings emerge, the 13th day after sowing) April 12 ( One week after the first pair of true leaves emerge). April 1..

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Update Time: 2024-11-19

This template belongs to science courseware Third Grade Science Volume 2, Textbook Edition industry PPT template

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