"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2 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 |
|---|---|---|---|
| "Thermal Expansion and C... | 8450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 "Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2 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
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2, 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
"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
learning target:
1. Able to ask questions about phenomena in life and design simple scientific experiments.
2. Obtain scientific conclusions through a large number of gas and solid experiments, and realize that scientific experiments can be repeatedly verified.
3. Can explain the phenomenon of thermal expansion and contraction in daily life.
gas conjecture
Expansion when heated
cold shrink
Think about it: How do you make a flat ping pong ball inflate?
What is the rationale for this?
design experiment
Do solids also have the property of expanding with heat and contracting with cold?
in conclusion
What are the applications?
Solids, liquids and gases all expand with heat and contract with cold.
practise
1 When pouring cement on the road surface, use thin wooden boards to divide it into small pieces for the purpose of ( )
AConvenient construction
B Prevent water from seeping down
C Prevent pavement damage due to thermal expansion and contraction
2 Xiao Ming put the empty bottle with the rubber stopper in the refrigerator and took it out after 15 minutes. The stopper could not be removed. The main reason was ( )
The air in bottle A leaked out
B bottle mouth shrinks when exposed to cold
The gas in bottle C shrinks when it gets cold
When the pen cap cannot be unscrewed, put the pen cap end into hot water and take it out after a while, then it can be unscrewed. Explain the reason.
Practice to achieve standards
1. In general, objects (liquids, solids, gases) have _______ properties. Objects of different materials expand with heat and contract _______. Under the same circumstances, _______ expands the most when heated, _______ more, and _______ the least.
2. In winter, the driver's uncle drained the water from the chassis. The reason was ( ).
A． The water is too hot B. Too much water D. Freezing water will cause damage to the chassis
3. The oil tank cannot be filled too full to avoid ( ).
A． Too much oil and the oil tank was crushed B. Oil expands when heated and overflows
4. Let’s talk about the measures people take to prevent thermal expansion and contraction in the following scenarios.
5． Do you know how to peel hard-boiled eggs?
Keywords: Teaching courseware on changes in matter, teaching courseware on thermal expansion and contraction, PPT courseware download for fifth grade volume 2 of the People's Education Press, downloadable science slide courseware for fifth grade, download PPT courseware on changes in matter, download PPT courseware on thermal expansion and contraction ,.PPT format;
For more information about the PPT courseware "Changes of Matter Thermal Expansion and Contraction", please click on the Changes of Matter ppt Thermal Expansion and Contraction ppt tag.
"Does Metal Expand and Contract with Heat?" Hot PPT download:
"Does Metal Expand and Contract with Heat?" Hot PPT Download Part One: Experimental Research Take a copper ball as an example to observe whether metal has the property of thermal expansion and contraction. Observe the thermal expansion and contraction of the copper ball. Experiment name: Does the copper ball expand and contract with heat? Experimental equipment: Alcohol lamp, copper ball thermal expansion and contraction...
"Does Metal Expand and Contract with Heat?" Hot PPT:
"Does Metal Expand and Contract with Heat?" Thermal PPT Part 1: Observe the thermal expansion and contraction of copper balls. Do experiments to observe the thermal expansion and contraction of copper balls. 1. Pay attention to the safety of using alcohol lamp; 2. Do not touch the copper ball. The heated copper ball will burn the skin. Describe the experimental process and what you saw...
"Thermal Expansion and Contraction of Air" thermal PPT download:
"Thermal Expansion and Contraction of Air" Hot PPT Download Part One: Exploring New Knowledge Observing whether the air expands and contracts with heat. Hypothesis: Air has the property of thermal expansion and contraction. If the volume of the air inside the bottle expands, the air inside the bottle will be squeezed out. Just find a way to observe inside the bottle...