"Changes of Sea and Land" PPT

Description

"Changes of Sea and Land" PPT

Part One: Course Questions

Ask a question:

What was the land like hundreds of millions of years ago?

Establish a hypothesis:

continental drift theory

200-300 million years ago, there was only one continent on the earth. Later, this "supercontinent" split into several continents. After a long period of movement, the location relationship of today's continents was finally formed.

Get facts and evidence:

Think about it, discuss it

Are you opposed to the theory of continental drift, or are you in favor of it?

Can you give some of your reasons or evidence?

PPT on the changes of sea and land, part two: the theory of seabed spreading

The oceanic crust on both sides of the seafloor ridge is slowly moving toward the continent, and the expansion of the seafloor causes the continents to break apart and move away.

Let’s talk about:

From this lesson, can you understand what kind of scientific spirit should be possessed in scientific exploration?

Hypothesis is an important scientific method. Why is a hypothesis neither nonsense nor truth? What is the importance of hypotheses in scientific research?

Check it out:

Please go online to find information about changes in sea and land to understand the development process of relevant theories. Can you develop a hypothesis based on your insights?

Keywords: Free download of Geography PPT courseware for the second volume of the sixth grade of Shanghai Education Edition, PPT download of changes in sea and land, .PPT format;

For more information about the "Changes of Sea and Land" PPT courseware, please click on the "Changes of Sea and Land" ppt tab.

"Changes of Sea and Land" PPT download:

"Changes of Sea and Land" PPT download Part 1: Content objectives of this section: Give examples to illustrate that the land and sea on the earth's surface are in constant movement and change. Know the theory of continental drift and be able to use this theory to solve some problems. Changes in the sea. Changes in the sea, which can be referred to as...

"Changes of Sea and Land" PPT courseware:

"Changes of Sea and Land" PPT Courseware Part One: Teaching Objectives 1. Use examples to illustrate the changes of sea and land, and establish the scientific viewpoint of dialectical materialism that the sea and land are constantly moving and changing. 2. Understand the basic concepts of continental drift and plate tectonics, and be able to explain the world's main...

"Changes of Sea and Land" Land and Ocean PPT Courseware 8:

"Changes of Sea and Land" Land and Ocean PPT Courseware 8 Learning Objectives Understand the causes of changes in sea and land. Understand the founder, content and evidence of the theory of continental drift. Understand the main content of the theory of plate tectonics, the direction of plate movement and the volcanic and seismic zones on the earth. Independent reading 3..

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Update Time: 2024-10-19

This template belongs to Geography courseware Shanghai Education Edition Geography for Sixth Graders Volume 2 industry PPT template

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