"Facing Several Unknown Minerals" Rocks and Minerals PPT

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Fourth Grade Science Volume 2, Textbook Edition	pptx	6 MB

"Facing Several Unknown Minerals" Rocks and Minerals PPT

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Upload Time: 2024-11-21

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"Facing Several Unknown Minerals" Rocks and Minerals PPT

Part One: Review and Communication

What methods have we learned about observing and describing rocks and minerals?

Observation method

Look, touch, knock, carve, drop hydrochloric acid

Facing several unknown minerals PPT, the second part: what minerals they are

There are three unknown minerals in the box. Can we know what minerals they are?

What should we do to know if our guess is correct?

How geologists identify minerals

Field observation Observation with a microscope Reference materials and illustrations

Read and compare the "Mineral Characteristics Card" in the unit database and try to identify which minerals they belong to.

Do we know what minerals they are? What properties of them do we base our judgment on?

Ask teachers and geologists to see if our judgment is correct.

Among the information we collected about mineral characteristics, which properties are most useful in identifying this mineral? Which properties are of little use?

Describe our mineral to students in other groups. How can we describe it so that other students can quickly pick it out from many minerals?

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

For more information about the PPT courseware "Rocks and Minerals Face Several Unknown Minerals", please click the Rocks and Minerals ppt Faces Several Unknown Minerals ppt label.

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"Facing Several Unknown Minerals" Rocks and Minerals PPT