— pengamatan pertumbuhan bawang 🧅

Summary

Amanda Krista, a student from SMP Negeri 1 Jogjakarta, demonstrates the growth of red onions in a simple experiment. She uses red onions, a glass, and toothpicks to observe the development. Over days, the onions sprout roots and shoots in water, showing the fascinating process of plant growth.

Takeaways

• 🌱 Amanda Krista, Syahputri is the presenter, a student from class 9B at SMP Negeri 1 Yogyakarta.
• 📅 The video is a demonstration of observing the growth of red onions.
• 🧪 The materials needed for the experiment are red onions, a glass or container, and 4 toothpicks or skewers.
• 🔪 Amanda uses skewers to pierce the red onions, similar to toothpicks.
• 💧 The onions are placed on a container filled with water, ensuring the bottom part of the onion touches the water to facilitate growth.
• 📈 The growth of the onions is observed daily, with the roots starting to grow from the second day.
• 🌿 By the third day, the roots have grown, and by the fourth day, they are longer.
• 🌱 On the fifth day, the roots continue to grow, and by the seventh day, they have increased in number.
• 🌳 By the eighth day, shoots have started to grow, and by the ninth day, the shoots have grown taller.
• 🌼 On the tenth day, the growth of the shoots and roots is more pronounced.
• 🌿 By the twelfth day, both the leaves and the stem of the onion have grown taller, and the roots have multiplied.

Q & A

Who is the speaker in the transcript?

The speaker is Amanda Krista, Syahputri.

What grade and school does Amanda Krista, Syahputri attend?

She is in class 9B at SMP Negeri 1 Jogjakarta.

What is the main topic of Amanda's presentation?

The main topic is the observation of the growth of red onions.

What materials are needed for the onion growth experiment?

The materials needed are red onions, a glass or container, and four toothpicks or skewers.

Why does Amanda use toothpicks or skewers in the experiment?

Toothpicks or skewers are used to support the red onion and allow it to grow properly out of the water.

How should the red onion be placed on the toothpicks or skewers?

The red onion should be pierced by the toothpicks or skewers, similar to how they are shown in the video.

What is the purpose of placing the onion in water?

The purpose is to ensure that the bottom part of the onion is in contact with water to facilitate growth.

How quickly does the onion start to grow according to the transcript?

The onion starts to grow roots by the second day and continues to grow more roots and sprouts in the following days.

What is observed on the eighth day of the experiment?

By the eighth day, the sprouts have started to grow.

What changes are observed between the ninth and twelfth days?

Between the ninth and twelfth days, the sprouts and the stem of the onion grow taller, and the roots become more numerous.

What is the final outcome of the experiment described in the transcript?

By the twelfth day, the onion has grown leaves, the stem has grown taller, and the roots have increased in number.