"Various Rocks" Rocks and Minerals PPT Courseware 4

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"Various Rocks" Rocks and Minerals PPT Courseware 4

Division of work of the research team:

1. Team leader (good discipline):

Responsible for discipline and experimental materials. -----One or four groups walking on both sides

2. Reporter (good at Chinese and loud voice):

Responsible for urging everyone to fill in experimental records and reports.

Experimental notes:

1. Everyone observes and takes notes at the same time, and fills in the "Observation Record of Rocks"

2. The teacher claps her hands to indicate stop. The team leader collects the materials and puts them in a pile. No one is allowed to move.

3. When the reporter reports, everyone must listen quietly and cannot move the materials or speak.

4. No one can leave their seat (except with permission from the teacher).

5. You must raise your hand to ask and answer questions. You can't rush to speak while raising your hands, and you can't speak without raising your hands.

6. The teacher will give scores based on the performance of each group. The first and second prizes will be judged and there will be prizes. In particular, fill out the "Rock Observation Record". If you don't fill out the form well and report poorly, you will definitely get no prize.

Precautions when using carving knives and saw blades:

1. The carving knife is very sharp and can easily hurt someone, so be very careful when using it.

2. The length of the pushed blade should not exceed 1 cm to prevent the blade from breaking or cutting people.

3. Do not use too much force on carving knives and saw blades to prevent them from breaking or losing control and injuring people.

4. It is prohibited to wave a knife in the air.

Precautions when using hydrochloric acid:

1. Hydrochloric acid is highly corrosive and is strictly prohibited from contacting skin and clothing.

2. If it accidentally gets on the skin, rinse immediately with plenty of water.

3. Hydrochloric acid vapor is toxic and should be kept indoors with good ventilation.

4. Place it in the center of the table to prevent it from tipping over.

5. If an accident occurs, notify the teacher immediately.

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For more information about the "Rocks and Minerals Various Rocks" PPT courseware, please click the Rocks and Minerals ppt Various Rocks ppt tag.

"Various Rocks" Rocks and Minerals PPT download:

"Various Rocks" Rocks and Minerals PPT Download Part One: Introduction of New Knowledge Rocks are an important part of the earth. We walked up the mountain and saw mountains made of rocks. The mountain road winds between rocks, and mountains are a world of rocks. we are at..

"Various Rocks" Rocks and Minerals PPT:

"Various Rocks" Rocks and Minerals PPT Part 1: Observing and describing rocks Rocks are an important part of the earth. We walked up the mountain and saw mountains made of rocks. The mountain road winds between rocks, and mountains are a world of rocks. us..

"Various Rocks" Rocks and Minerals PPT Courseware 3:

"Various Rocks" Rocks and Minerals PPT Courseware 3 Classification of Rocks Igneous Rock: It is formed by the rising magma from inside the earth's crust that invades the earth's crust or erupts out of the earth's surface and condenses. It is also called igneous rock. Sedimentary rock: It is formed at the surface of the earth and not too deep below the surface..

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Update Time: 2024-09-29

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

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