"Understanding Rocks" PPT download Simple campus recruitment activity planning plan summary enterprise and institution recruitment publicity lecture PPT template is a general PPT template for business post competition provided by the manuscript PPT, simple campus recruitment activity planning plan summary enterprise and institution recruitment promotion Lecture PPT template, you can edit and modify the text and pictures in the source file by downloading the source file. If you want more exquisite business PPT templates, you can come to grid resource. Doug resource PPT, massive PPT template slide material download, we only make high-quality PPT templates!
| 文件名 如何下载使用 | 下载次数 | Download Points | 下载地址 |
|---|---|---|---|
| "Understanding Rocks" PP... | 16900次 | 0.00 | Free Download |
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "Understanding Rocks" PPT download is enough.
How to use the Windows system template
Directly decompress the file and use it with office or wps
How to use the Mac system template
Directly decompress the file and use it Office or wps can be used
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view: Click to see
How to create a high-quality technological sense PPT? 4 ways to share the bottom of the box
Notice
Do not download in WeChat, Zhihu, QQ, built-in browsers, please use mobile browsers to download! If you are a mobile phone user, please download it on your computer!
1. The manuscript PPT is only for study and reference, please delete it 24 hours after downloading.
2. If the resource involves your legitimate rights and interests, delete it immediately.
3. Contact information: service@daogebangong.com
"Understanding Rocks" PPT download, due to usage restrictions, it is only for personal study and reference use. For commercial use, please go to the relevant official website for authorization.
(Personal non-commercial use refers to the use of this font to complete the display of personal works, including but not limited to the design of personal papers, resumes, etc.)
Related reading
For more detailed PPT-related tutorials and font tutorials, you can view:Please click to see
Authoritative PPT Summary
Qingdao edition third grade science volume 2, understanding rocks PPT download
Part One: Learning Objectives
1. 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.
How to study rocks
1. Observe the colors inside and outside the rock. (What colors are they?)
2. Observe the structural bedding of rocks. (What are the characteristics of their structures? Are they layer-by-layer or granular? Are they composed of the same type of particles or different types of particles? Are they coarse-grained or fine-grained?)
3. Observe the hardness of the rock. (Four hardness levels can be used to express the hardness of rocks: very hard, very hard, relatively hard, and soft. After the stone is carved with a knife, a copper key, or a fingernail, the level can be determined)
4. Observe the reaction between rocks and acid. (Put a few drops of hydrochloric acid on the rocks to see if they bubble.)
5. Observe the texture of the rock. (Pull the stone on the ground or put it in water to see the degree of bubbling, etc. to understand the density and softness of the stone)
Understanding Rocks PPT, Part 2: Methods of Testing Rock Hardness
The nails that can be carved are softer.
Fingernails can't carve it, but copper keys that can carve it are harder.
A copper key cannot be carved, but a knife can be carved because it is very hard.
If a knife cannot cut it, it is very hard.
Research Notes
1. Pay attention to safety when using a knife.
2. Never splash hydrochloric acid on your skin or clothes. Use a dropper to take it.
Understanding rocks PPT, part 3: after-class exercises
1. Fill in the blanks.
1. Common rocks are granite, _____, _____, limestone, _____.
2. The main minerals that make up granite are _____, _____, and _____.
3. Sandstone has a _____-shaped structure and shale has a _____-shaped structure.
4． The gas produced when limestone encounters hydrochloric acid is _____.
2. A fair little judge.
1. Granite bubbles when exposed to hydrochloric acid. ( )
2. Marble bubbles when exposed to hydrochloric acid. ( )
3. Reddish brown or gray, thin layered structure, shale with lower hardness ( )
Keywords: Qingdao version third grade science PPT courseware for the second volume free download, understanding rocks PPT courseware, .PPT format;
For more information about the "Understanding Rocks" PPT courseware, please click the "Understanding Rocks" PPT tab.
"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...
"Understanding Rocks" PPT:
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. ..