"Dinosaurs Flying into the Blue Sky" PPT Courseware 5

Description

"Dinosaurs Flying into the Blue Sky" PPT Courseware 5

Fill in according to the text content:

(ferocious) Tyrannosaurus Rex

(bulky, slow) Mamenchisaurus

(light) pigeon

(Colorful) Peacock

(long) evolution

(flying) birds

1. Think about the basis for scientists to propose that birds and dinosaurs are related?

Dinosaurs and birds share many similarities in skeletal structure.

2. "The discovery in western Liaoning showed the world evidence that dinosaurs had feathers, adding the finishing touch to the picture painted by paleontologists." What does the finishing touch in this sentence mean? The finishing touch is in the text. What does it refer to?

"The finishing touch" refers to the most important and critical content.

The “finishing touch” in the article refers to the fact that scientists discovered dinosaur fossils with feather impressions for the first time in western Liaoning.

What will dinosaurs look like 230 million years ago and tens of millions of years from now?

Two hundred and thirty million years ago, the first dinosaur was as big as a dog and supported its body on its two hind legs.

Tens of millions of years later: some dinosaurs ran on two legs like their ancestors, and some walked on four legs; some were tens of meters long and weighed tens of tons, while some were small and weighed less than a few kilograms. Some dinosaurs are extremely ferocious and are carnivores that eat their hair and drink blood. Some dinosaurs are docile and cute and feed on plants.

Read the text and fill in the blanks below:

body_______ body surface__________

Move to_______ among the trees_______

Having _____________ ultimately____________.

This historical process:

A kind of feathered dinosaur broke away from its kind and flew into the sky, evolving into today's large family of birds.

Operation:

Collect information about dinosaurs, combine them in free form, and discuss and exchange information in groups.

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Update Time: 2024-09-09

This template belongs to Chinese courseware Lu Jiao edition third grade Chinese language volume 2 industry PPT template

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