| Category | Format | Size |
|---|---|---|
| Zhejiang Education Edition Seventh Grade Science Volume 1 | pptx | 6 MB |
"Measurement of Quality" PPT
Description
"Measurement of Quality" PPT
Part One: Teaching Objectives
1. Know the unit of mass and know that the size of mass indicates the amount of matter contained in an object;
2. Understand the structure, use and maintenance of pallet balances
Teaching focus and teaching difficulties
1. Estimate the mass of an object
2. Use and maintenance of pallet balance
Quality measurement PPT, part 2: take a look
What does it mean when "net content 900g" is marked on the packaging bag?
Indicates that the mass of the object inside is 900 grams
Express postage postage is calculated based on the quality of the letter
Think about it:
1. Observe what the podium and desks are made of?
2. What are the podiums, desks, hammers, nails, etc. called? What is the name of the wood and iron that make up these objects?
3. Which one contains more wood, the podium or the desk?
4. Which one contains more iron, a hammer or a nail?
5. How can the amount of matter contained in an object be expressed?
Mass is the amount of matter an object contains
Quality measurement PPT, part 3: How to use a pallet balance correctly?
①Estimation
The estimated mass of the object being measured cannot exceed the measuring range of the balance.
②Left flat and return to zero
Place the pallet balance on a level table.
Place the game code on the "0" position at the left end of the ruler
③Leveling
Adjust the balance nut to balance the beam. The sign that the beam is balanced is when the pointer points to the center line of the index plate. If the pointer swings the same number of divisions left and right in the center of the index plate, the beam is also balanced;
④Measurement
Use tweezers to add and subtract weights to the right plate
Adding and subtracting weights are gradually replaced from large to small.
Use tweezers to adjust the position of the wandering code on the ruler until the beam returns to balance.
Measurement of quality PPT, Part 4: Learning quality
1. The concept of quality
All objects are composed of matter, and mass is the amount of matter contained in the object. The mass of an object does not change with changes in the shape, position, temperature, and state of the object.
2. Units and conversions of mass
International unit: kilogram (kg)
Other commonly used units: tons (t), grams (g), milligrams (mg), etc.
1 kilogram = 1000 grams
1 gram = 1000 mg
1 ton = 1000 kilograms
3. Correct steps and precautions for using the balance
① Estimation ② Leveling and zeroing ③ Leveling ④ Measurement ⑥ Cleaning up after measurement
Quality measurement PPT, part 5: practice:
1. Among the following objects, the object closest to 50 grams is _______.
A. A bottle of milk B. An egg
C. A coin D. A piece of eraser
2. An astronaut brought a copper block with a mass of 3 kilograms into space.
Then the mass of the copper block will ______ (become larger, smaller, or unchanged)
3. Xiao Ming uses the adjusted tray balance to weigh the mass of an egg.
When a 50g and a 10g weight are placed on the right disk, the game code moves to the right
To the position shown in the figure below, the mass of the egg is ______ grams.
Keywords: Zhejiang Education Edition seventh grade science PPT courseware free download, quality measurement PPT download, .PPT format;
For more information about the "Measurement of Quality" PPT courseware, please click the "Measurement of Quality ppt" tab.
"Measurement of Quality" PPT download:
"Measurement of Mass" PPT download Part 1: Think about it. Generally, which of the following objects contains more substances? 1. Which one, the large glass ball or the small glass ball, contains more glass? 2. Which one contains more iron, a hammer or a nail? 3. Which one contains more wood, desks or chairs? ..
"Measurement of Quality" PPT courseware:
Contents of the first part of the "Measurement of Quality" PPT courseware: Independent learning: 1. Common units of mass and unit conversion 2. Understand the mass scales of different objects Perceived mass units: Please fill in the appropriate mass unit after the number An egg is about 50 approx. 150 about 0..
File Info
Update Time: 2024-06-29
This template belongs to science courseware Zhejiang Education Edition Seventh Grade Science Volume 1 industry PPT template
"Measurement of Quality" PPT 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!
Tips: If you open the template and feel that it is not suitable for all your needs, you can search for related content "Measurement of Quality" PPT 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
"Measurement of Quality" PPT, 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.)
Preview
Related Search:
