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Western Normal University Edition Third Grade Chinese Language Volume 1
Category | Format | Size |
---|---|---|
Version A fifth grade Chinese language volume 2 | pptx | 6 MB |
Description
"Strange Amber" PPT courseware 6
learning target:
1. How was this piece of amber formed?
2. Why is this piece of amber strange? What is the value of this piece of amber?
Think about it: What is written in the text?
(Read the text freely and summarize concisely in your own words)
It mainly writes about how amber was formed, how it was discovered, and the value of this piece of amber based on a strange piece of amber wrapped with a fly and a spider.
Work together in groups to discuss and solve the mystery of amber’s formation:
(1) What were the protagonists flies and spiders doing at that time?
(2) How are they wrapped in amber?
(3) What conditions must be met to form this peculiar rosin ball?
(4) What conditions must exist for rosin balls to become fossils?
Conditions for the formation of rosin balls
In summer, the sun is strong──the rosin oozes out
Old pine trees─can exude large drops of rosin
Flies and spiders encounter rosin──and are wrapped in it at the same time
The rosin continues to drip down──accumulating into rosin balls
Conditions for rosin balls to become fossilized
1. It takes a long time.
2. The land sinks and the water flows.
3. Pine trees rot.
4. Buried by sediment.
Features of this piece of amber:
1. Transparency.
2. There are two small things (flies and spiders) inside.
3. Several black rings appear around their legs.
Why is this piece of amber strange?
1. It is generally difficult for insects to become fossils, but there is a fly and a spider in this fossil.
2. This fossil has been preserved in the sand for thousands of years and is still very well preserved and very transparent.
3. Flies and spiders are natural enemies, but they are in a piece of amber.
4. This piece of amber was discovered by accident.
Class exercises:
This text writes about strange amber from three aspects:——,——,——.
I will memorize the last natural paragraph.
Homework assignment:
Review the text and tell your family or friends about the process of how amber is formed.
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"Strange Amber" PPT courseware 8:
"Strange Amber" PPT Courseware 8 Introduction to Amber Amber is the fossil of ancient pine resin and can be used as decoration. Plant debris and various ancient small animals are often wrapped in the plant fat of fossils such as amber. In the honey-like color, a fly can often be found...
"Strange Amber" PPT courseware 7:
"Strange Amber" PPT Courseware 7 Eliminate the Obstacles Amber Pine Resin Wipe Covered with Spiders Noon Oozing Leaning forward and backward Struggling Surging Sticky Fly Hot Some Even inside that piece of transparent amber, the two little things were still lying down nicely. We can...
"Strange Amber" PPT courseware 5:
"Strange Amber" PPT Courseware 5 Introduction to Amber Amber is the fossil of ancient pine resin and can be used as decoration. Plant debris and various ancient small animals are often wrapped in the plant fat of fossils such as amber. In the honey-like color, a fly can often be found...
File Info
Update Time: 2024-10-05
This template belongs to Chinese courseware Version A fifth grade Chinese language volume 2 industry PPT template
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