"Understanding Rocks" PPT

Description

Qingdao edition third grade science volume 2, understanding rocks PPT

Part One Content: Learning Objectives:

1. Knowledge goal: Be able to initially understand rocks through observation and use of simple tools. Know that rocks have characteristics such as hardness, reaction to acid, texture, shape, and structure.

2. Skill objectives: Make simple observations, studies and classifications based on your own understanding of rocks, and further understand the scientific classification and preliminary understanding of the uses of rocks.

3. Emotional attitudes and values: Maintain and develop students' desire to explore the mysteries of nature.

Understanding rocks PPT, part 2: thinking

Thinking: How to study rocks?

You can carve a moment with a knife.

You can use a magnifying glass to observe.

You can add a few drops of hydrochloric acid

Kind tips

1. Pay attention to safety when using a knife

2. Never put hydrochloric acid on your skin or clothes.

Understanding Rocks PPT, Part 3: Classroom Compliance

1. Fill in the blanks.

1. A simple instrument used to observe the details of objects is ( ).

2. ( ), ( ), ( ) draw on the new section of the rock to test the hardness of the rock.

3. When using hydrochloric acid to detect rocks, you must use ( ) to get the hydrochloric acid.

4. We can study the characteristics of rocks from several aspects such as ( ), ( ), ( ), ( ), etc.

5. The hardness of rocks can be divided into four levels: soft, ( ), ( ), and ( ).

2. Multiple choice questions.

Fingernails carve unmarked rocks, while copper keys carve carved rocks ( ).

A softer B harder C very hard D very hard

3. Judgment questions.

1. Various rocks have different hardnesses. ( )

2. All rocks are granular. ( )

3. Some rocks bubble when exposed to hydrochloric acid, while others do not. ( )

Four, one after another.

Rocks with nicks left after being carved by fingernails are harder

The rock with the scratches left after the copper key was carved is very hard.

Rocks that are scratched with a knife are softer

Keywords: Qingdao version third grade science PPT courseware for the second volume free download, understanding of rocks PPT download, .PPT format;

For more information about the "Understanding Rocks" PPT courseware, please click the "Understanding Rocks ppt" tab.

"Understanding Rocks" PPT download:

Qingdao edition third grade science volume 2, understanding rocks PPT download, part one content: Learning objectives 1. Be able to use simple instruments to observe the main characteristics of rocks. 2. Know the characteristics of rock such as hardness, whether it reacts with acid, texture, shape, particle size, etc. Research..

"Understanding Rocks" PPT courseware:

Qingdao edition of the second volume of third grade science, understanding rocks PPT courseware, part one content: Content classification Warm reminder: 1. Choose your favorite rocks (at least 4) and carefully observe their main characteristics; 2. Be careful when dripping dilute hydrochloric acid Be careful, rocks that have been dripped with dilute hydrochloric acid...

File Info

Update Time: 2024-11-21

This template belongs to science courseware Qingdao Edition Third Grade Science Volume 2 industry PPT template

Preview