"Various Rocks" Rocks and Minerals PPT Download

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"Various Rocks" Rocks and Minerals PPT Download

Part One: Importing 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 walking on flat ground, stepping on soft soil. Are there rocks here? In fact, it's just that you can't see it. There are rocks under the soil.

Various rocks PPT, part 2: new knowledge explanation

Observe and describe rocks

Where did you collect the rocks to introduce yourself to your classmates?

Collecting rocks in the wild must be done under the guidance of an adult.

What are the characteristics of rocks?

Each person chooses a rock, uses their senses (except taste) to observe it, and writes down their findings.

Using a magnifying glass, can you detect the grain or stripe characteristics of this rock? What else can be observed?

Please observe carefully and record your important discoveries in a timely manner!

What words can we use to describe the characteristics of rocks?

Words that can describe the characteristics of rocks: smooth, rough, shiny, dull, heavy, light, transparent, opaque, with or without patterns...

Various rocks PPT, part three: consolidation exercises

1. _________ is an important material that makes up the earth.

2. Geologists divide rocks into three categories: _______, _______, and _______ based on their origin.

3. The methods of observing rocks include _______, _______, _______, etc. We can classify rocks according to different standards such as _______, _______, _______, etc.

4. Rocks are of various kinds and have their own characteristics in terms of _______, _______, _______, etc.

5. Use a ruler to measure the length, width and height of rocks, that is, measure rocks ( )

A. Size B. Color C. Smell D. Weight

6. In the following environment, it is easiest to find rocks ( )

A. In the desert B. On the coast C. On the lawn D. In the farmland

7. When observing rocks, we should make full use of all the organs of our body. Among them, the least commonly used sense organ is ( )

A. Eyes B. Ears C. Mouth

Various rocks PPT, Part 4 content: Class summary

What did you learn in this lesson?

1. By observing rocks, I learned how to observe rocks

2. I learned to describe the characteristics of rocks

3. Through discussion, I learned the criteria for rock classification

4. I will classify rocks based on their characteristics.

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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.

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Update Time: 2024-11-19

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

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