"Understanding Several Common Rocks" Rocks and Minerals PPT Download

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"Understanding Several Common Rocks" Rocks and Minerals PPT Download

Part One: Importing New Knowledge

Rocks are widely used in our lives. They can be used to build houses, pave roads and bridges, build monuments, etc. They can also be used to make exquisite crafts and beautiful statues.

Get to know several common rocks PPT, part 2: new knowledge explanation

In what ways can we look at rocks?

Look, touch, smell, knock, scratch...

How else can we look at rocks?

Observe rock particles with a magnifying glass

rocks knocking against each other

Drop dilute hydrochloric acid on the rocks

Look further at the rocks

Let me summarize

Rock structure: refers to whether the rock has bedding, pores, spots, stripes, biological traces (fossils), etc.

Particle size: coarse, medium and fine

Particle structure: refers to loose or compact

Tap to listen to the sound: is it muddy or crisp?

Reaction after dropping dilute hydrochloric acid: bubbling or not

Get to know several common rocks PPT, part three: knowledge expansion

1. ( ) is characterized by: mottled shape, composed of black, white, flesh red or colorless transparent particles, the particles are coarse, rough, and very hard

2. The structure of rock mainly refers to its ( ) composition form.

3. Limestone is a bluish-grey, gray or slightly yellowish rock with fine particles, smooth and hard, often containing fossils, and ( ) bubbling rock.

4. The structure of rocks mainly refers to the presence or absence of rocks ( ), ( ), ( ), etc.

5. Petrologists often use ( ) and ( ) to carefully observe the composition and particles of rocks and classify rock types.

6. Among the following rocks, the hardest is ( )

A. Marble B. Limestone C. Shale D. Granite

Get to know several common rocks PPT, Part 4: Class Summary

What did you learn in this lesson?

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

2. I learned to describe the salient features of rocks

3. Through studying, I learned about several common rocks

4. Through comparison, I will identify the characteristics of several common rocks.

Get to know several common rocks PPT, Part 5: Consolidation and Improvement

Please try to describe the characteristics of marble?

Pure white, black, etc., often with beautiful stripes, coarser particles, crystal clear and moist, compact, soft, bubbling when exposed to hydrochloric acid.

Keywords: Free download of Chinese PPT courseware for the second volume of the fourth grade in the textbook edition, download PPT on understanding several common rocks, download PPT on rocks and minerals, .PPT format;

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

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Update Time: 2024-11-21

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

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